Home / 38,915.40-58,376.34-15,529.08

Finding the Fourth Proportional to 38,915.40, 58,376.34 and 15,529.08

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Solution

The fourth proportional to 38,915.40, 58,376.34 and 15,529.08 is: 23,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,915.40 : 58,376.34 = 15,529.08 : x
  2. Step 2: Convert to fraction form
    38,915.40/58,376.34 = 15,529.08/x
  3. Step 3: Cross multiply
    38,915.40x = 58,376.34 × 15,529.08
  4. Step 4: Simplify right side
    38,915.40x = 906,530,853.97
  5. Step 5: Solve for x
    x = 906,530,853.97/38,915.40
  6. Step 6: Final answer
    x = 23,294.91

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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.