Home / 48,618.19-72,938.76-19,028.08

Finding the Fourth Proportional to 48,618.19, 72,938.76 and 19,028.08

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Solution

The fourth proportional to 48,618.19, 72,938.76 and 19,028.08 is: 28,546.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,618.19 : 72,938.76 = 19,028.08 : x
  2. Step 2: Convert to fraction form
    48,618.19/72,938.76 = 19,028.08/x
  3. Step 3: Cross multiply
    48,618.19x = 72,938.76 × 19,028.08
  4. Step 4: Simplify right side
    48,618.19x = 1,387,884,560.38
  5. Step 5: Solve for x
    x = 1,387,884,560.38/48,618.19
  6. Step 6: Final answer
    x = 28,546.61

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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.