Home / 49,439.04-74,162.02-19,856.88

Finding the Fourth Proportional to 49,439.04, 74,162.02 and 19,856.88

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Solution

The fourth proportional to 49,439.04, 74,162.02 and 19,856.88 is: 29,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,439.04 : 74,162.02 = 19,856.88 : x
  2. Step 2: Convert to fraction form
    49,439.04/74,162.02 = 19,856.88/x
  3. Step 3: Cross multiply
    49,439.04x = 74,162.02 × 19,856.88
  4. Step 4: Simplify right side
    49,439.04x = 1,472,626,331.70
  5. Step 5: Solve for x
    x = 1,472,626,331.70/49,439.04
  6. Step 6: Final answer
    x = 29,786.71

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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.