Home / 56,306.76-77,702.22-31,156.26

Finding the Fourth Proportional to 56,306.76, 77,702.22 and 31,156.26

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Solution

The fourth proportional to 56,306.76, 77,702.22 and 31,156.26 is: 42,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,306.76 : 77,702.22 = 31,156.26 : x
  2. Step 2: Convert to fraction form
    56,306.76/77,702.22 = 31,156.26/x
  3. Step 3: Cross multiply
    56,306.76x = 77,702.22 × 31,156.26
  4. Step 4: Simplify right side
    56,306.76x = 2,420,910,568.90
  5. Step 5: Solve for x
    x = 2,420,910,568.90/56,306.76
  6. Step 6: Final answer
    x = 42,995.03

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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.