Home / 47,814.32-71,617.80-30,240.56

Finding the Fourth Proportional to 47,814.32, 71,617.80 and 30,240.56

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Solution

The fourth proportional to 47,814.32, 71,617.80 and 30,240.56 is: 45,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,814.32 : 71,617.80 = 30,240.56 : x
  2. Step 2: Convert to fraction form
    47,814.32/71,617.80 = 30,240.56/x
  3. Step 3: Cross multiply
    47,814.32x = 71,617.80 × 30,240.56
  4. Step 4: Simplify right side
    47,814.32x = 2,165,762,377.97
  5. Step 5: Solve for x
    x = 2,165,762,377.97/47,814.32
  6. Step 6: Final answer
    x = 45,295.27

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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.