Home / 38,894.20-58,370.10-15,537.40

Finding the Fourth Proportional to 38,894.20, 58,370.10 and 15,537.40

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Solution

The fourth proportional to 38,894.20, 58,370.10 and 15,537.40 is: 23,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,894.20 : 58,370.10 = 15,537.40 : x
  2. Step 2: Convert to fraction form
    38,894.20/58,370.10 = 15,537.40/x
  3. Step 3: Cross multiply
    38,894.20x = 58,370.10 × 15,537.40
  4. Step 4: Simplify right side
    38,894.20x = 906,919,591.74
  5. Step 5: Solve for x
    x = 906,919,591.74/38,894.20
  6. Step 6: Final answer
    x = 23,317.60

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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.