Home / 49,355.95-74,029.33-13,820.49

Finding the Fourth Proportional to 49,355.95, 74,029.33 and 13,820.49

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Solution

The fourth proportional to 49,355.95, 74,029.33 and 13,820.49 is: 20,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,355.95 : 74,029.33 = 13,820.49 : x
  2. Step 2: Convert to fraction form
    49,355.95/74,029.33 = 13,820.49/x
  3. Step 3: Cross multiply
    49,355.95x = 74,029.33 × 13,820.49
  4. Step 4: Simplify right side
    49,355.95x = 1,023,121,614.97
  5. Step 5: Solve for x
    x = 1,023,121,614.97/49,355.95
  6. Step 6: Final answer
    x = 20,729.45

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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.