Home / 56,909.13-78,542.51-31,760.25

Finding the Fourth Proportional to 56,909.13, 78,542.51 and 31,760.25

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Solution

The fourth proportional to 56,909.13, 78,542.51 and 31,760.25 is: 43,833.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,909.13 : 78,542.51 = 31,760.25 : x
  2. Step 2: Convert to fraction form
    56,909.13/78,542.51 = 31,760.25/x
  3. Step 3: Cross multiply
    56,909.13x = 78,542.51 × 31,760.25
  4. Step 4: Simplify right side
    56,909.13x = 2,494,529,753.23
  5. Step 5: Solve for x
    x = 2,494,529,753.23/56,909.13
  6. Step 6: Final answer
    x = 43,833.56

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1.5x scale

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.