Home / 56,112.75-77,437.22-30,963.87

Finding the Fourth Proportional to 56,112.75, 77,437.22 and 30,963.87

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Solution

The fourth proportional to 56,112.75, 77,437.22 and 30,963.87 is: 42,731.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,112.75 : 77,437.22 = 30,963.87 : x
  2. Step 2: Convert to fraction form
    56,112.75/77,437.22 = 30,963.87/x
  3. Step 3: Cross multiply
    56,112.75x = 77,437.22 × 30,963.87
  4. Step 4: Simplify right side
    56,112.75x = 2,397,755,858.42
  5. Step 5: Solve for x
    x = 2,397,755,858.42/56,112.75
  6. Step 6: Final answer
    x = 42,731.03

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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.