Home / 40,799.52-61,207.92-13,116.96

Finding the Fourth Proportional to 40,799.52, 61,207.92 and 13,116.96

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Solution

The fourth proportional to 40,799.52, 61,207.92 and 13,116.96 is: 19,678.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,799.52 : 61,207.92 = 13,116.96 : x
  2. Step 2: Convert to fraction form
    40,799.52/61,207.92 = 13,116.96/x
  3. Step 3: Cross multiply
    40,799.52x = 61,207.92 × 13,116.96
  4. Step 4: Simplify right side
    40,799.52x = 802,861,838.32
  5. Step 5: Solve for x
    x = 802,861,838.32/40,799.52
  6. Step 6: Final answer
    x = 19,678.22

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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.