Home / 32,781.30-45,255.95-20,037.43

Finding the Fourth Proportional to 32,781.30, 45,255.95 and 20,037.43

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Solution

The fourth proportional to 32,781.30, 45,255.95 and 20,037.43 is: 27,662.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,781.30 : 45,255.95 = 20,037.43 : x
  2. Step 2: Convert to fraction form
    32,781.30/45,255.95 = 20,037.43/x
  3. Step 3: Cross multiply
    32,781.30x = 45,255.95 × 20,037.43
  4. Step 4: Simplify right side
    32,781.30x = 906,812,930.21
  5. Step 5: Solve for x
    x = 906,812,930.21/32,781.30
  6. Step 6: Final answer
    x = 27,662.51

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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.