Home / 47,480.65-71,178.99-40,505.47

Finding the Fourth Proportional to 47,480.65, 71,178.99 and 40,505.47

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Solution

The fourth proportional to 47,480.65, 71,178.99 and 40,505.47 is: 60,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.65 : 71,178.99 = 40,505.47 : x
  2. Step 2: Convert to fraction form
    47,480.65/71,178.99 = 40,505.47/x
  3. Step 3: Cross multiply
    47,480.65x = 71,178.99 × 40,505.47
  4. Step 4: Simplify right side
    47,480.65x = 2,883,138,444.08
  5. Step 5: Solve for x
    x = 2,883,138,444.08/47,480.65
  6. Step 6: Final answer
    x = 60,722.39

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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.