Home / 56,441.08-77,892.20-31,290.58

Finding the Fourth Proportional to 56,441.08, 77,892.20 and 31,290.58

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Solution

The fourth proportional to 56,441.08, 77,892.20 and 31,290.58 is: 43,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,441.08 : 77,892.20 = 31,290.58 : x
  2. Step 2: Convert to fraction form
    56,441.08/77,892.20 = 31,290.58/x
  3. Step 3: Cross multiply
    56,441.08x = 77,892.20 × 31,290.58
  4. Step 4: Simplify right side
    56,441.08x = 2,437,292,115.48
  5. Step 5: Solve for x
    x = 2,437,292,115.48/56,441.08
  6. Step 6: Final answer
    x = 43,182.95

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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.