Home / 47,925.29-71,887.92-12,864.94

Finding the Fourth Proportional to 47,925.29, 71,887.92 and 12,864.94

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Solution

The fourth proportional to 47,925.29, 71,887.92 and 12,864.94 is: 19,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,925.29 : 71,887.92 = 12,864.94 : x
  2. Step 2: Convert to fraction form
    47,925.29/71,887.92 = 12,864.94/x
  3. Step 3: Cross multiply
    47,925.29x = 71,887.92 × 12,864.94
  4. Step 4: Simplify right side
    47,925.29x = 924,833,777.52
  5. Step 5: Solve for x
    x = 924,833,777.52/47,925.29
  6. Step 6: Final answer
    x = 19,297.41

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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.