Home / 57,632.40-86,452.80-20,188.32

Finding the Fourth Proportional to 57,632.40, 86,452.80 and 20,188.32

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Solution

The fourth proportional to 57,632.40, 86,452.80 and 20,188.32 is: 30,283.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,632.40 : 86,452.80 = 20,188.32 : x
  2. Step 2: Convert to fraction form
    57,632.40/86,452.80 = 20,188.32/x
  3. Step 3: Cross multiply
    57,632.40x = 86,452.80 × 20,188.32
  4. Step 4: Simplify right side
    57,632.40x = 1,745,336,791.30
  5. Step 5: Solve for x
    x = 1,745,336,791.30/57,632.40
  6. Step 6: Final answer
    x = 30,283.95

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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.