Home / 49,545.72-74,321.10-18,373.68

Finding the Fourth Proportional to 49,545.72, 74,321.10 and 18,373.68

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Solution

The fourth proportional to 49,545.72, 74,321.10 and 18,373.68 is: 27,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,545.72 : 74,321.10 = 18,373.68 : x
  2. Step 2: Convert to fraction form
    49,545.72/74,321.10 = 18,373.68/x
  3. Step 3: Cross multiply
    49,545.72x = 74,321.10 × 18,373.68
  4. Step 4: Simplify right side
    49,545.72x = 1,365,552,108.65
  5. Step 5: Solve for x
    x = 1,365,552,108.65/49,545.72
  6. Step 6: Final answer
    x = 27,561.45

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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.