Home / 29,040.39-43,565.13-12,400.50

Finding the Fourth Proportional to 29,040.39, 43,565.13 and 12,400.50

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Solution

The fourth proportional to 29,040.39, 43,565.13 and 12,400.50 is: 18,602.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,040.39 : 43,565.13 = 12,400.50 : x
  2. Step 2: Convert to fraction form
    29,040.39/43,565.13 = 12,400.50/x
  3. Step 3: Cross multiply
    29,040.39x = 43,565.13 × 12,400.50
  4. Step 4: Simplify right side
    29,040.39x = 540,229,394.57
  5. Step 5: Solve for x
    x = 540,229,394.57/29,040.39
  6. Step 6: Final answer
    x = 18,602.69

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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.