Home / 47,098.76-70,474.62-28,389.80

Finding the Fourth Proportional to 47,098.76, 70,474.62 and 28,389.80

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Solution

The fourth proportional to 47,098.76, 70,474.62 and 28,389.80 is: 42,480.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,098.76 : 70,474.62 = 28,389.80 : x
  2. Step 2: Convert to fraction form
    47,098.76/70,474.62 = 28,389.80/x
  3. Step 3: Cross multiply
    47,098.76x = 70,474.62 × 28,389.80
  4. Step 4: Simplify right side
    47,098.76x = 2,000,760,366.88
  5. Step 5: Solve for x
    x = 2,000,760,366.88/47,098.76
  6. Step 6: Final answer
    x = 42,480.11

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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.