Home / 56,624.96-78,143.35-31,132.44

Finding the Fourth Proportional to 56,624.96, 78,143.35 and 31,132.44

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Solution

The fourth proportional to 56,624.96, 78,143.35 and 31,132.44 is: 42,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,624.96 : 78,143.35 = 31,132.44 : x
  2. Step 2: Convert to fraction form
    56,624.96/78,143.35 = 31,132.44/x
  3. Step 3: Cross multiply
    56,624.96x = 78,143.35 × 31,132.44
  4. Step 4: Simplify right side
    56,624.96x = 2,432,793,155.27
  5. Step 5: Solve for x
    x = 2,432,793,155.27/56,624.96
  6. Step 6: Final answer
    x = 42,963.26

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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.