Home / 35,669.92-53,517.08-13,489.68

Finding the Fourth Proportional to 35,669.92, 53,517.08 and 13,489.68

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Solution

The fourth proportional to 35,669.92, 53,517.08 and 13,489.68 is: 20,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,669.92 : 53,517.08 = 13,489.68 : x
  2. Step 2: Convert to fraction form
    35,669.92/53,517.08 = 13,489.68/x
  3. Step 3: Cross multiply
    35,669.92x = 53,517.08 × 13,489.68
  4. Step 4: Simplify right side
    35,669.92x = 721,928,283.73
  5. Step 5: Solve for x
    x = 721,928,283.73/35,669.92
  6. Step 6: Final answer
    x = 20,239.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.