Home / 55,446.08-83,169.24-13,893.20

Finding the Fourth Proportional to 55,446.08, 83,169.24 and 13,893.20

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Solution

The fourth proportional to 55,446.08, 83,169.24 and 13,893.20 is: 20,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,446.08 : 83,169.24 = 13,893.20 : x
  2. Step 2: Convert to fraction form
    55,446.08/83,169.24 = 13,893.20/x
  3. Step 3: Cross multiply
    55,446.08x = 83,169.24 × 13,893.20
  4. Step 4: Simplify right side
    55,446.08x = 1,155,486,885.17
  5. Step 5: Solve for x
    x = 1,155,486,885.17/55,446.08
  6. Step 6: Final answer
    x = 20,839.83

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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.