Home / 34,422.19-47,503.34-19,315.94

Finding the Fourth Proportional to 34,422.19, 47,503.34 and 19,315.94

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Solution

The fourth proportional to 34,422.19, 47,503.34 and 19,315.94 is: 26,656.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,422.19 : 47,503.34 = 19,315.94 : x
  2. Step 2: Convert to fraction form
    34,422.19/47,503.34 = 19,315.94/x
  3. Step 3: Cross multiply
    34,422.19x = 47,503.34 × 19,315.94
  4. Step 4: Simplify right side
    34,422.19x = 917,571,665.24
  5. Step 5: Solve for x
    x = 917,571,665.24/34,422.19
  6. Step 6: Final answer
    x = 26,656.40

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Half scale
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Double scale
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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.