Home / 57,083.18-78,772.85-31,590.62

Finding the Fourth Proportional to 57,083.18, 78,772.85 and 31,590.62

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Solution

The fourth proportional to 57,083.18, 78,772.85 and 31,590.62 is: 43,593.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,083.18 : 78,772.85 = 31,590.62 : x
  2. Step 2: Convert to fraction form
    57,083.18/78,772.85 = 31,590.62/x
  3. Step 3: Cross multiply
    57,083.18x = 78,772.85 × 31,590.62
  4. Step 4: Simplify right side
    57,083.18x = 2,488,483,012.71
  5. Step 5: Solve for x
    x = 2,488,483,012.71/57,083.18
  6. Step 6: Final answer
    x = 43,593.98

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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.