Home / 30,757.01-42,448.54-17,331.47

Finding the Fourth Proportional to 30,757.01, 42,448.54 and 17,331.47

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Solution

The fourth proportional to 30,757.01, 42,448.54 and 17,331.47 is: 23,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,757.01 : 42,448.54 = 17,331.47 : x
  2. Step 2: Convert to fraction form
    30,757.01/42,448.54 = 17,331.47/x
  3. Step 3: Cross multiply
    30,757.01x = 42,448.54 × 17,331.47
  4. Step 4: Simplify right side
    30,757.01x = 735,695,385.31
  5. Step 5: Solve for x
    x = 735,695,385.31/30,757.01
  6. Step 6: Final answer
    x = 23,919.60

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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.