Home / 51,819.13-71,511.80-29,158.93

Finding the Fourth Proportional to 51,819.13, 71,511.80 and 29,158.93

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Solution

The fourth proportional to 51,819.13, 71,511.80 and 29,158.93 is: 40,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,819.13 : 71,511.80 = 29,158.93 : x
  2. Step 2: Convert to fraction form
    51,819.13/71,511.80 = 29,158.93/x
  3. Step 3: Cross multiply
    51,819.13x = 71,511.80 × 29,158.93
  4. Step 4: Simplify right side
    51,819.13x = 2,085,207,570.37
  5. Step 5: Solve for x
    x = 2,085,207,570.37/51,819.13
  6. Step 6: Final answer
    x = 40,240.11

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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.