Home / 47,780.56-71,646.06-21,462.82

Finding the Fourth Proportional to 47,780.56, 71,646.06 and 21,462.82

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Solution

The fourth proportional to 47,780.56, 71,646.06 and 21,462.82 is: 32,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780.56 : 71,646.06 = 21,462.82 : x
  2. Step 2: Convert to fraction form
    47,780.56/71,646.06 = 21,462.82/x
  3. Step 3: Cross multiply
    47,780.56x = 71,646.06 × 21,462.82
  4. Step 4: Simplify right side
    47,780.56x = 1,537,726,489.49
  5. Step 5: Solve for x
    x = 1,537,726,489.49/47,780.56
  6. Step 6: Final answer
    x = 32,183.10

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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.