Home / 51,981.14-71,733.60-29,320.31

Finding the Fourth Proportional to 51,981.14, 71,733.60 and 29,320.31

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Solution

The fourth proportional to 51,981.14, 71,733.60 and 29,320.31 is: 40,461.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,981.14 : 71,733.60 = 29,320.31 : x
  2. Step 2: Convert to fraction form
    51,981.14/71,733.60 = 29,320.31/x
  3. Step 3: Cross multiply
    51,981.14x = 71,733.60 × 29,320.31
  4. Step 4: Simplify right side
    51,981.14x = 2,103,251,568.75
  5. Step 5: Solve for x
    x = 2,103,251,568.75/51,981.14
  6. Step 6: Final answer
    x = 40,461.82

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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.