Home / 34,246.19-47,259.55-19,138.88

Finding the Fourth Proportional to 34,246.19, 47,259.55 and 19,138.88

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Solution

The fourth proportional to 34,246.19, 47,259.55 and 19,138.88 is: 26,411.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246.19 : 47,259.55 = 19,138.88 : x
  2. Step 2: Convert to fraction form
    34,246.19/47,259.55 = 19,138.88/x
  3. Step 3: Cross multiply
    34,246.19x = 47,259.55 × 19,138.88
  4. Step 4: Simplify right side
    34,246.19x = 904,494,998.38
  5. Step 5: Solve for x
    x = 904,494,998.38/34,246.19
  6. Step 6: Final answer
    x = 26,411.55

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Half scale
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Double scale
Find fourth proportional to 34,247.19, 47,260.93 and 19,139.88
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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.