Home / 38,885.13-58,339.04-12,589.29

Finding the Fourth Proportional to 38,885.13, 58,339.04 and 12,589.29

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Solution

The fourth proportional to 38,885.13, 58,339.04 and 12,589.29 is: 18,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,885.13 : 58,339.04 = 12,589.29 : x
  2. Step 2: Convert to fraction form
    38,885.13/58,339.04 = 12,589.29/x
  3. Step 3: Cross multiply
    38,885.13x = 58,339.04 × 12,589.29
  4. Step 4: Simplify right side
    38,885.13x = 734,447,029.94
  5. Step 5: Solve for x
    x = 734,447,029.94/38,885.13
  6. Step 6: Final answer
    x = 18,887.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.