Home / 47,532.40-71,298.42-11,993.80

Finding the Fourth Proportional to 47,532.40, 71,298.42 and 11,993.80

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Solution

The fourth proportional to 47,532.40, 71,298.42 and 11,993.80 is: 17,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,532.40 : 71,298.42 = 11,993.80 : x
  2. Step 2: Convert to fraction form
    47,532.40/71,298.42 = 11,993.80/x
  3. Step 3: Cross multiply
    47,532.40x = 71,298.42 × 11,993.80
  4. Step 4: Simplify right side
    47,532.40x = 855,138,989.80
  5. Step 5: Solve for x
    x = 855,138,989.80/47,532.40
  6. Step 6: Final answer
    x = 17,990.65

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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.