Home / 56,839.44-78,443.10-31,350.80

Finding the Fourth Proportional to 56,839.44, 78,443.10 and 31,350.80

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Solution

The fourth proportional to 56,839.44, 78,443.10 and 31,350.80 is: 43,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,839.44 : 78,443.10 = 31,350.80 : x
  2. Step 2: Convert to fraction form
    56,839.44/78,443.10 = 31,350.80/x
  3. Step 3: Cross multiply
    56,839.44x = 78,443.10 × 31,350.80
  4. Step 4: Simplify right side
    56,839.44x = 2,459,253,939.48
  5. Step 5: Solve for x
    x = 2,459,253,939.48/56,839.44
  6. Step 6: Final answer
    x = 43,266.68

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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.