Home / 30,387.18-41,934.52-17,812.02

Finding the Fourth Proportional to 30,387.18, 41,934.52 and 17,812.02

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Solution

The fourth proportional to 30,387.18, 41,934.52 and 17,812.02 is: 24,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,387.18 : 41,934.52 = 17,812.02 : x
  2. Step 2: Convert to fraction form
    30,387.18/41,934.52 = 17,812.02/x
  3. Step 3: Cross multiply
    30,387.18x = 41,934.52 × 17,812.02
  4. Step 4: Simplify right side
    30,387.18x = 746,938,508.93
  5. Step 5: Solve for x
    x = 746,938,508.93/30,387.18
  6. Step 6: Final answer
    x = 24,580.71

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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.