Home / 56,404.35-84,609.05-31,425.48

Finding the Fourth Proportional to 56,404.35, 84,609.05 and 31,425.48

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Solution

The fourth proportional to 56,404.35, 84,609.05 and 31,425.48 is: 47,139.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,404.35 : 84,609.05 = 31,425.48 : x
  2. Step 2: Convert to fraction form
    56,404.35/84,609.05 = 31,425.48/x
  3. Step 3: Cross multiply
    56,404.35x = 84,609.05 × 31,425.48
  4. Step 4: Simplify right side
    56,404.35x = 2,658,879,851.47
  5. Step 5: Solve for x
    x = 2,658,879,851.47/56,404.35
  6. Step 6: Final answer
    x = 47,139.62

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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.