Home / 38,920.16-58,373.19-13,623.39

Finding the Fourth Proportional to 38,920.16, 58,373.19 and 13,623.39

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Solution

The fourth proportional to 38,920.16, 58,373.19 and 13,623.39 is: 20,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,920.16 : 58,373.19 = 13,623.39 : x
  2. Step 2: Convert to fraction form
    38,920.16/58,373.19 = 13,623.39/x
  3. Step 3: Cross multiply
    38,920.16x = 58,373.19 × 13,623.39
  4. Step 4: Simplify right side
    38,920.16x = 795,240,732.91
  5. Step 5: Solve for x
    x = 795,240,732.91/38,920.16
  6. Step 6: Final answer
    x = 20,432.62

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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.