Home / 83,632.85-125,448.18-20,453.52

Finding the Fourth Proportional to 83,632.85, 125,448.18 and 20,453.52

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Solution

The fourth proportional to 83,632.85, 125,448.18 and 20,453.52 is: 30,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,632.85 : 125,448.18 = 20,453.52 : x
  2. Step 2: Convert to fraction form
    83,632.85/125,448.18 = 20,453.52/x
  3. Step 3: Cross multiply
    83,632.85x = 125,448.18 × 20,453.52
  4. Step 4: Simplify right side
    83,632.85x = 2,565,856,485.32
  5. Step 5: Solve for x
    x = 2,565,856,485.32/83,632.85
  6. Step 6: Final answer
    x = 30,680.01

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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.