Home / 56,542.28-78,001.38-33,870.38

Finding the Fourth Proportional to 56,542.28, 78,001.38 and 33,870.38

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Solution

The fourth proportional to 56,542.28, 78,001.38 and 33,870.38 is: 46,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,542.28 : 78,001.38 = 33,870.38 : x
  2. Step 2: Convert to fraction form
    56,542.28/78,001.38 = 33,870.38/x
  3. Step 3: Cross multiply
    56,542.28x = 78,001.38 × 33,870.38
  4. Step 4: Simplify right side
    56,542.28x = 2,641,935,991.12
  5. Step 5: Solve for x
    x = 2,641,935,991.12/56,542.28
  6. Step 6: Final answer
    x = 46,724.97

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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.