Home / 56,358.24-84,539.96-31,379.48

Finding the Fourth Proportional to 56,358.24, 84,539.96 and 31,379.48

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Solution

The fourth proportional to 56,358.24, 84,539.96 and 31,379.48 is: 47,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,358.24 : 84,539.96 = 31,379.48 : x
  2. Step 2: Convert to fraction form
    56,358.24/84,539.96 = 31,379.48/x
  3. Step 3: Cross multiply
    56,358.24x = 84,539.96 × 31,379.48
  4. Step 4: Simplify right side
    56,358.24x = 2,652,819,404.42
  5. Step 5: Solve for x
    x = 2,652,819,404.42/56,358.24
  6. Step 6: Final answer
    x = 47,070.66

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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.