Home / 30,229.20-45,359.55-14,452.02

Finding the Fourth Proportional to 30,229.20, 45,359.55 and 14,452.02

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Solution

The fourth proportional to 30,229.20, 45,359.55 and 14,452.02 is: 21,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,229.20 : 45,359.55 = 14,452.02 : x
  2. Step 2: Convert to fraction form
    30,229.20/45,359.55 = 14,452.02/x
  3. Step 3: Cross multiply
    30,229.20x = 45,359.55 × 14,452.02
  4. Step 4: Simplify right side
    30,229.20x = 655,537,123.79
  5. Step 5: Solve for x
    x = 655,537,123.79/30,229.20
  6. Step 6: Final answer
    x = 21,685.56

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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.