Home / 83,527.76-125,289.72-20,348.12

Finding the Fourth Proportional to 83,527.76, 125,289.72 and 20,348.12

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Solution

The fourth proportional to 83,527.76, 125,289.72 and 20,348.12 is: 30,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,527.76 : 125,289.72 = 20,348.12 : x
  2. Step 2: Convert to fraction form
    83,527.76/125,289.72 = 20,348.12/x
  3. Step 3: Cross multiply
    83,527.76x = 125,289.72 × 20,348.12
  4. Step 4: Simplify right side
    83,527.76x = 2,549,410,257.33
  5. Step 5: Solve for x
    x = 2,549,410,257.33/83,527.76
  6. Step 6: Final answer
    x = 30,521.71

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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.