Home / 29,724.72-40,974.12-22,159.52

Finding the Fourth Proportional to 29,724.72, 40,974.12 and 22,159.52

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Solution

The fourth proportional to 29,724.72, 40,974.12 and 22,159.52 is: 30,545.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,724.72 : 40,974.12 = 22,159.52 : x
  2. Step 2: Convert to fraction form
    29,724.72/40,974.12 = 22,159.52/x
  3. Step 3: Cross multiply
    29,724.72x = 40,974.12 × 22,159.52
  4. Step 4: Simplify right side
    29,724.72x = 907,966,831.62
  5. Step 5: Solve for x
    x = 907,966,831.62/29,724.72
  6. Step 6: Final answer
    x = 30,545.85

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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.