Home / 50,421.60-75,632.40-17,179.20

Finding the Fourth Proportional to 50,421.60, 75,632.40 and 17,179.20

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Solution

The fourth proportional to 50,421.60, 75,632.40 and 17,179.20 is: 25,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,421.60 : 75,632.40 = 17,179.20 : x
  2. Step 2: Convert to fraction form
    50,421.60/75,632.40 = 17,179.20/x
  3. Step 3: Cross multiply
    50,421.60x = 75,632.40 × 17,179.20
  4. Step 4: Simplify right side
    50,421.60x = 1,299,304,126.08
  5. Step 5: Solve for x
    x = 1,299,304,126.08/50,421.60
  6. Step 6: Final answer
    x = 25,768.80

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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.