Home / 38,916.15-58,353.30-12,257.16

Finding the Fourth Proportional to 38,916.15, 58,353.30 and 12,257.16

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Solution

The fourth proportional to 38,916.15, 58,353.30 and 12,257.16 is: 18,379.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,916.15 : 58,353.30 = 12,257.16 : x
  2. Step 2: Convert to fraction form
    38,916.15/58,353.30 = 12,257.16/x
  3. Step 3: Cross multiply
    38,916.15x = 58,353.30 × 12,257.16
  4. Step 4: Simplify right side
    38,916.15x = 715,245,734.63
  5. Step 5: Solve for x
    x = 715,245,734.63/38,916.15
  6. Step 6: Final answer
    x = 18,379.15

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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.