Home / 57,721.38-86,519.02-36,670.83

Finding the Fourth Proportional to 57,721.38, 86,519.02 and 36,670.83

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Solution

The fourth proportional to 57,721.38, 86,519.02 and 36,670.83 is: 54,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.38 : 86,519.02 = 36,670.83 : x
  2. Step 2: Convert to fraction form
    57,721.38/86,519.02 = 36,670.83/x
  3. Step 3: Cross multiply
    57,721.38x = 86,519.02 × 36,670.83
  4. Step 4: Simplify right side
    57,721.38x = 3,172,724,274.19
  5. Step 5: Solve for x
    x = 3,172,724,274.19/57,721.38
  6. Step 6: Final answer
    x = 54,966.19

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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.