Home / 56,298.48-77,695.92-31,147.44

Finding the Fourth Proportional to 56,298.48, 77,695.92 and 31,147.44

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Solution

The fourth proportional to 56,298.48, 77,695.92 and 31,147.44 is: 42,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,298.48 : 77,695.92 = 31,147.44 : x
  2. Step 2: Convert to fraction form
    56,298.48/77,695.92 = 31,147.44/x
  3. Step 3: Cross multiply
    56,298.48x = 77,695.92 × 31,147.44
  4. Step 4: Simplify right side
    56,298.48x = 2,420,029,006.44
  5. Step 5: Solve for x
    x = 2,420,029,006.44/56,298.48
  6. Step 6: Final answer
    x = 42,985.69

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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.