Home / 32,938.61-49,414.14-13,218.71

Finding the Fourth Proportional to 32,938.61, 49,414.14 and 13,218.71

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Solution

The fourth proportional to 32,938.61, 49,414.14 and 13,218.71 is: 19,830.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,938.61 : 49,414.14 = 13,218.71 : x
  2. Step 2: Convert to fraction form
    32,938.61/49,414.14 = 13,218.71/x
  3. Step 3: Cross multiply
    32,938.61x = 49,414.14 × 13,218.71
  4. Step 4: Simplify right side
    32,938.61x = 653,190,939.49
  5. Step 5: Solve for x
    x = 653,190,939.49/32,938.61
  6. Step 6: Final answer
    x = 19,830.56

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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.