Home / 38,921.38-58,381.81-15,231.32

Finding the Fourth Proportional to 38,921.38, 58,381.81 and 15,231.32

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Solution

The fourth proportional to 38,921.38, 58,381.81 and 15,231.32 is: 22,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.38 : 58,381.81 = 15,231.32 : x
  2. Step 2: Convert to fraction form
    38,921.38/58,381.81 = 15,231.32/x
  3. Step 3: Cross multiply
    38,921.38x = 58,381.81 × 15,231.32
  4. Step 4: Simplify right side
    38,921.38x = 889,232,030.29
  5. Step 5: Solve for x
    x = 889,232,030.29/38,921.38
  6. Step 6: Final answer
    x = 22,846.88

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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.