Home / 49,031.10-73,482.02-19,432.78

Finding the Fourth Proportional to 49,031.10, 73,482.02 and 19,432.78

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Solution

The fourth proportional to 49,031.10, 73,482.02 and 19,432.78 is: 29,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,031.10 : 73,482.02 = 19,432.78 : x
  2. Step 2: Convert to fraction form
    49,031.10/73,482.02 = 19,432.78/x
  3. Step 3: Cross multiply
    49,031.10x = 73,482.02 × 19,432.78
  4. Step 4: Simplify right side
    49,031.10x = 1,427,959,928.62
  5. Step 5: Solve for x
    x = 1,427,959,928.62/49,031.10
  6. Step 6: Final answer
    x = 29,123.55

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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.