Home / 55,228.70-82,761.13-40,565.02

Finding the Fourth Proportional to 55,228.70, 82,761.13 and 40,565.02

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Solution

The fourth proportional to 55,228.70, 82,761.13 and 40,565.02 is: 60,787.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.70 : 82,761.13 = 40,565.02 : x
  2. Step 2: Convert to fraction form
    55,228.70/82,761.13 = 40,565.02/x
  3. Step 3: Cross multiply
    55,228.70x = 82,761.13 × 40,565.02
  4. Step 4: Simplify right side
    55,228.70x = 3,357,206,893.67
  5. Step 5: Solve for x
    x = 3,357,206,893.67/55,228.70
  6. Step 6: Final answer
    x = 60,787.36

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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.