Home / 56,760.68-78,335.89-31,269.66

Finding the Fourth Proportional to 56,760.68, 78,335.89 and 31,269.66

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Solution

The fourth proportional to 56,760.68, 78,335.89 and 31,269.66 is: 43,155.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,760.68 : 78,335.89 = 31,269.66 : x
  2. Step 2: Convert to fraction form
    56,760.68/78,335.89 = 31,269.66/x
  3. Step 3: Cross multiply
    56,760.68x = 78,335.89 × 31,269.66
  4. Step 4: Simplify right side
    56,760.68x = 2,449,536,494.26
  5. Step 5: Solve for x
    x = 2,449,536,494.26/56,760.68
  6. Step 6: Final answer
    x = 43,155.52

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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.