Home / 38,806.24-58,210.08-12,513.28

Finding the Fourth Proportional to 38,806.24, 58,210.08 and 12,513.28

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Solution

The fourth proportional to 38,806.24, 58,210.08 and 12,513.28 is: 18,770.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.24 : 58,210.08 = 12,513.28 : x
  2. Step 2: Convert to fraction form
    38,806.24/58,210.08 = 12,513.28/x
  3. Step 3: Cross multiply
    38,806.24x = 58,210.08 × 12,513.28
  4. Step 4: Simplify right side
    38,806.24x = 728,399,029.86
  5. Step 5: Solve for x
    x = 728,399,029.86/38,806.24
  6. Step 6: Final answer
    x = 18,770.15

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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.