Home / 56,439.40-84,723.90-34,277.80

Finding the Fourth Proportional to 56,439.40, 84,723.90 and 34,277.80

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Solution

The fourth proportional to 56,439.40, 84,723.90 and 34,277.80 is: 51,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,439.40 : 84,723.90 = 34,277.80 : x
  2. Step 2: Convert to fraction form
    56,439.40/84,723.90 = 34,277.80/x
  3. Step 3: Cross multiply
    56,439.40x = 84,723.90 × 34,277.80
  4. Step 4: Simplify right side
    56,439.40x = 2,904,148,899.42
  5. Step 5: Solve for x
    x = 2,904,148,899.42/56,439.40
  6. Step 6: Final answer
    x = 51,456.06

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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.