Home / 35,414.49-48,872.17-20,307.72

Finding the Fourth Proportional to 35,414.49, 48,872.17 and 20,307.72

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Solution

The fourth proportional to 35,414.49, 48,872.17 and 20,307.72 is: 28,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,414.49 : 48,872.17 = 20,307.72 : x
  2. Step 2: Convert to fraction form
    35,414.49/48,872.17 = 20,307.72/x
  3. Step 3: Cross multiply
    35,414.49x = 48,872.17 × 20,307.72
  4. Step 4: Simplify right side
    35,414.49x = 992,482,049.02
  5. Step 5: Solve for x
    x = 992,482,049.02/35,414.49
  6. Step 6: Final answer
    x = 28,024.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.