Home / 34,288.19-47,315.47-19,178.23

Finding the Fourth Proportional to 34,288.19, 47,315.47 and 19,178.23

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Solution

The fourth proportional to 34,288.19, 47,315.47 and 19,178.23 is: 26,464.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.19 : 47,315.47 = 19,178.23 : x
  2. Step 2: Convert to fraction form
    34,288.19/47,315.47 = 19,178.23/x
  3. Step 3: Cross multiply
    34,288.19x = 47,315.47 × 19,178.23
  4. Step 4: Simplify right side
    34,288.19x = 907,426,966.22
  5. Step 5: Solve for x
    x = 907,426,966.22/34,288.19
  6. Step 6: Final answer
    x = 26,464.71

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Half scale
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Double scale
Find fourth proportional to 34,289.19, 47,316.85 and 19,179.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.