Home / 56,042.20-77,337.17-30,548.80

Finding the Fourth Proportional to 56,042.20, 77,337.17 and 30,548.80

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Solution

The fourth proportional to 56,042.20, 77,337.17 and 30,548.80 is: 42,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.20 : 77,337.17 = 30,548.80 : x
  2. Step 2: Convert to fraction form
    56,042.20/77,337.17 = 30,548.80/x
  3. Step 3: Cross multiply
    56,042.20x = 77,337.17 × 30,548.80
  4. Step 4: Simplify right side
    56,042.20x = 2,362,557,738.90
  5. Step 5: Solve for x
    x = 2,362,557,738.90/56,042.20
  6. Step 6: Final answer
    x = 42,156.76

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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.