Home / 38,815.48-58,230.66-12,513.16

Finding the Fourth Proportional to 38,815.48, 58,230.66 and 12,513.16

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Solution

The fourth proportional to 38,815.48, 58,230.66 and 12,513.16 is: 18,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.48 : 58,230.66 = 12,513.16 : x
  2. Step 2: Convert to fraction form
    38,815.48/58,230.66 = 12,513.16/x
  3. Step 3: Cross multiply
    38,815.48x = 58,230.66 × 12,513.16
  4. Step 4: Simplify right side
    38,815.48x = 728,649,565.49
  5. Step 5: Solve for x
    x = 728,649,565.49/38,815.48
  6. Step 6: Final answer
    x = 18,772.14

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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.