Home / 47,557.14-71,336.52-17,988.90

Finding the Fourth Proportional to 47,557.14, 71,336.52 and 17,988.90

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Solution

The fourth proportional to 47,557.14, 71,336.52 and 17,988.90 is: 26,983.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,557.14 : 71,336.52 = 17,988.90 : x
  2. Step 2: Convert to fraction form
    47,557.14/71,336.52 = 17,988.90/x
  3. Step 3: Cross multiply
    47,557.14x = 71,336.52 × 17,988.90
  4. Step 4: Simplify right side
    47,557.14x = 1,283,265,524.63
  5. Step 5: Solve for x
    x = 1,283,265,524.63/47,557.14
  6. Step 6: Final answer
    x = 26,983.66

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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.