Home / 38,665.13-53,356.97-22,750.61

Finding the Fourth Proportional to 38,665.13, 53,356.97 and 22,750.61

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Solution

The fourth proportional to 38,665.13, 53,356.97 and 22,750.61 is: 31,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.13 : 53,356.97 = 22,750.61 : x
  2. Step 2: Convert to fraction form
    38,665.13/53,356.97 = 22,750.61/x
  3. Step 3: Cross multiply
    38,665.13x = 53,356.97 × 22,750.61
  4. Step 4: Simplify right side
    38,665.13x = 1,213,903,234.71
  5. Step 5: Solve for x
    x = 1,213,903,234.71/38,665.13
  6. Step 6: Final answer
    x = 31,395.30

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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.