Home / 47,719.52-71,580-16,555.76

Finding the Fourth Proportional to 47,719.52, 71,580 and 16,555.76

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Solution

The fourth proportional to 47,719.52, 71,580 and 16,555.76 is: 24,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,719.52 : 71,580 = 16,555.76 : x
  2. Step 2: Convert to fraction form
    47,719.52/71,580 = 16,555.76/x
  3. Step 3: Cross multiply
    47,719.52x = 71,580 × 16,555.76
  4. Step 4: Simplify right side
    47,719.52x = 1,185,061,300.80
  5. Step 5: Solve for x
    x = 1,185,061,300.80/47,719.52
  6. Step 6: Final answer
    x = 24,833.89

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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.