Home / 47,983.40-71,975.10-42,151.40

Finding the Fourth Proportional to 47,983.40, 71,975.10 and 42,151.40

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Solution

The fourth proportional to 47,983.40, 71,975.10 and 42,151.40 is: 63,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,983.40 : 71,975.10 = 42,151.40 : x
  2. Step 2: Convert to fraction form
    47,983.40/71,975.10 = 42,151.40/x
  3. Step 3: Cross multiply
    47,983.40x = 71,975.10 × 42,151.40
  4. Step 4: Simplify right side
    47,983.40x = 3,033,851,230.14
  5. Step 5: Solve for x
    x = 3,033,851,230.14/47,983.40
  6. Step 6: Final answer
    x = 63,227.10

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Similar ratio
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1.5x scale

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.