Home / 55,963.32-77,229.45-30,812.82

Finding the Fourth Proportional to 55,963.32, 77,229.45 and 30,812.82

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Solution

The fourth proportional to 55,963.32, 77,229.45 and 30,812.82 is: 42,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,963.32 : 77,229.45 = 30,812.82 : x
  2. Step 2: Convert to fraction form
    55,963.32/77,229.45 = 30,812.82/x
  3. Step 3: Cross multiply
    55,963.32x = 77,229.45 × 30,812.82
  4. Step 4: Simplify right side
    55,963.32x = 2,379,657,141.55
  5. Step 5: Solve for x
    x = 2,379,657,141.55/55,963.32
  6. Step 6: Final answer
    x = 42,521.73

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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.