Home / 47,532.39-71,293.19-12,474.78

Finding the Fourth Proportional to 47,532.39, 71,293.19 and 12,474.78

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Solution

The fourth proportional to 47,532.39, 71,293.19 and 12,474.78 is: 18,710.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,532.39 : 71,293.19 = 12,474.78 : x
  2. Step 2: Convert to fraction form
    47,532.39/71,293.19 = 12,474.78/x
  3. Step 3: Cross multiply
    47,532.39x = 71,293.19 × 12,474.78
  4. Step 4: Simplify right side
    47,532.39x = 889,366,798.37
  5. Step 5: Solve for x
    x = 889,366,798.37/47,532.39
  6. Step 6: Final answer
    x = 18,710.75

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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.