Home / 55,631.91-83,437.89-15,641.30

Finding the Fourth Proportional to 55,631.91, 83,437.89 and 15,641.30

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Solution

The fourth proportional to 55,631.91, 83,437.89 and 15,641.30 is: 23,459.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,631.91 : 83,437.89 = 15,641.30 : x
  2. Step 2: Convert to fraction form
    55,631.91/83,437.89 = 15,641.30/x
  3. Step 3: Cross multiply
    55,631.91x = 83,437.89 × 15,641.30
  4. Step 4: Simplify right side
    55,631.91x = 1,305,077,068.86
  5. Step 5: Solve for x
    x = 1,305,077,068.86/55,631.91
  6. Step 6: Final answer
    x = 23,459.15

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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.