Home / 56,115.32-84,151.02-21,035.84

Finding the Fourth Proportional to 56,115.32, 84,151.02 and 21,035.84

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Solution

The fourth proportional to 56,115.32, 84,151.02 and 21,035.84 is: 31,545.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,115.32 : 84,151.02 = 21,035.84 : x
  2. Step 2: Convert to fraction form
    56,115.32/84,151.02 = 21,035.84/x
  3. Step 3: Cross multiply
    56,115.32x = 84,151.02 × 21,035.84
  4. Step 4: Simplify right side
    56,115.32x = 1,770,187,392.56
  5. Step 5: Solve for x
    x = 1,770,187,392.56/56,115.32
  6. Step 6: Final answer
    x = 31,545.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.