Home / 35,862.59-49,489.49-20,753.15

Finding the Fourth Proportional to 35,862.59, 49,489.49 and 20,753.15

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Solution

The fourth proportional to 35,862.59, 49,489.49 and 20,753.15 is: 28,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,862.59 : 49,489.49 = 20,753.15 : x
  2. Step 2: Convert to fraction form
    35,862.59/49,489.49 = 20,753.15/x
  3. Step 3: Cross multiply
    35,862.59x = 49,489.49 × 20,753.15
  4. Step 4: Simplify right side
    35,862.59x = 1,027,062,809.39
  5. Step 5: Solve for x
    x = 1,027,062,809.39/35,862.59
  6. Step 6: Final answer
    x = 28,638.84

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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.