Home / 38,788.41-58,191.72-12,492.16

Finding the Fourth Proportional to 38,788.41, 58,191.72 and 12,492.16

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Solution

The fourth proportional to 38,788.41, 58,191.72 and 12,492.16 is: 18,741.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.41 : 58,191.72 = 12,492.16 : x
  2. Step 2: Convert to fraction form
    38,788.41/58,191.72 = 12,492.16/x
  3. Step 3: Cross multiply
    38,788.41x = 58,191.72 × 12,492.16
  4. Step 4: Simplify right side
    38,788.41x = 726,940,276.92
  5. Step 5: Solve for x
    x = 726,940,276.92/38,788.41
  6. Step 6: Final answer
    x = 18,741.17

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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.