Home / 29,132.66-40,209.82-18,520.25

Finding the Fourth Proportional to 29,132.66, 40,209.82 and 18,520.25

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Solution

The fourth proportional to 29,132.66, 40,209.82 and 18,520.25 is: 25,562.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,132.66 : 40,209.82 = 18,520.25 : x
  2. Step 2: Convert to fraction form
    29,132.66/40,209.82 = 18,520.25/x
  3. Step 3: Cross multiply
    29,132.66x = 40,209.82 × 18,520.25
  4. Step 4: Simplify right side
    29,132.66x = 744,695,671.51
  5. Step 5: Solve for x
    x = 744,695,671.51/29,132.66
  6. Step 6: Final answer
    x = 25,562.22

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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.