Home / 47,660.91-71,501.76-18,079.05

Finding the Fourth Proportional to 47,660.91, 71,501.76 and 18,079.05

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Solution

The fourth proportional to 47,660.91, 71,501.76 and 18,079.05 is: 27,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,660.91 : 71,501.76 = 18,079.05 : x
  2. Step 2: Convert to fraction form
    47,660.91/71,501.76 = 18,079.05/x
  3. Step 3: Cross multiply
    47,660.91x = 71,501.76 × 18,079.05
  4. Step 4: Simplify right side
    47,660.91x = 1,292,683,894.13
  5. Step 5: Solve for x
    x = 1,292,683,894.13/47,660.91
  6. Step 6: Final answer
    x = 27,122.52

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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.