Home / 38,178.27-52,705.89-29,661.21

Finding the Fourth Proportional to 38,178.27, 52,705.89 and 29,661.21

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Solution

The fourth proportional to 38,178.27, 52,705.89 and 29,661.21 is: 40,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.27 : 52,705.89 = 29,661.21 : x
  2. Step 2: Convert to fraction form
    38,178.27/52,705.89 = 29,661.21/x
  3. Step 3: Cross multiply
    38,178.27x = 52,705.89 × 29,661.21
  4. Step 4: Simplify right side
    38,178.27x = 1,563,320,471.53
  5. Step 5: Solve for x
    x = 1,563,320,471.53/38,178.27
  6. Step 6: Final answer
    x = 40,947.91

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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.