Home / 56,865.80-78,471.24-31,372.52

Finding the Fourth Proportional to 56,865.80, 78,471.24 and 31,372.52

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Solution

The fourth proportional to 56,865.80, 78,471.24 and 31,372.52 is: 43,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,865.80 : 78,471.24 = 31,372.52 : x
  2. Step 2: Convert to fraction form
    56,865.80/78,471.24 = 31,372.52/x
  3. Step 3: Cross multiply
    56,865.80x = 78,471.24 × 31,372.52
  4. Step 4: Simplify right side
    56,865.80x = 2,461,840,546.32
  5. Step 5: Solve for x
    x = 2,461,840,546.32/56,865.80
  6. Step 6: Final answer
    x = 43,292.11

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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.