Home / 30,132.61-41,495.31-28,207.17

Finding the Fourth Proportional to 30,132.61, 41,495.31 and 28,207.17

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Solution

The fourth proportional to 30,132.61, 41,495.31 and 28,207.17 is: 38,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.61 : 41,495.31 = 28,207.17 : x
  2. Step 2: Convert to fraction form
    30,132.61/41,495.31 = 28,207.17/x
  3. Step 3: Cross multiply
    30,132.61x = 41,495.31 × 28,207.17
  4. Step 4: Simplify right side
    30,132.61x = 1,170,465,540.08
  5. Step 5: Solve for x
    x = 1,170,465,540.08/30,132.61
  6. Step 6: Final answer
    x = 38,843.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.