Home / 49,545.40-74,321.46-19,963.24

Finding the Fourth Proportional to 49,545.40, 74,321.46 and 19,963.24

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Solution

The fourth proportional to 49,545.40, 74,321.46 and 19,963.24 is: 29,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,545.40 : 74,321.46 = 19,963.24 : x
  2. Step 2: Convert to fraction form
    49,545.40/74,321.46 = 19,963.24/x
  3. Step 3: Cross multiply
    49,545.40x = 74,321.46 × 19,963.24
  4. Step 4: Simplify right side
    49,545.40x = 1,483,697,143.13
  5. Step 5: Solve for x
    x = 1,483,697,143.13/49,545.40
  6. Step 6: Final answer
    x = 29,946.21

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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.