Home / 47,670.12-71,508.42-14,387.76

Finding the Fourth Proportional to 47,670.12, 71,508.42 and 14,387.76

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Solution

The fourth proportional to 47,670.12, 71,508.42 and 14,387.76 is: 21,582.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,670.12 : 71,508.42 = 14,387.76 : x
  2. Step 2: Convert to fraction form
    47,670.12/71,508.42 = 14,387.76/x
  3. Step 3: Cross multiply
    47,670.12x = 71,508.42 × 14,387.76
  4. Step 4: Simplify right side
    47,670.12x = 1,028,845,984.94
  5. Step 5: Solve for x
    x = 1,028,845,984.94/47,670.12
  6. Step 6: Final answer
    x = 21,582.62

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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.