Home / 31,397.08-43,328.10-17,250.20

Finding the Fourth Proportional to 31,397.08, 43,328.10 and 17,250.20

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Solution

The fourth proportional to 31,397.08, 43,328.10 and 17,250.20 is: 23,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.08 : 43,328.10 = 17,250.20 : x
  2. Step 2: Convert to fraction form
    31,397.08/43,328.10 = 17,250.20/x
  3. Step 3: Cross multiply
    31,397.08x = 43,328.10 × 17,250.20
  4. Step 4: Simplify right side
    31,397.08x = 747,418,390.62
  5. Step 5: Solve for x
    x = 747,418,390.62/31,397.08
  6. Step 6: Final answer
    x = 23,805.35

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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.