Home / 29,541.80-44,272.20-18,979.40

Finding the Fourth Proportional to 29,541.80, 44,272.20 and 18,979.40

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Solution

The fourth proportional to 29,541.80, 44,272.20 and 18,979.40 is: 28,443.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,541.80 : 44,272.20 = 18,979.40 : x
  2. Step 2: Convert to fraction form
    29,541.80/44,272.20 = 18,979.40/x
  3. Step 3: Cross multiply
    29,541.80x = 44,272.20 × 18,979.40
  4. Step 4: Simplify right side
    29,541.80x = 840,259,792.68
  5. Step 5: Solve for x
    x = 840,259,792.68/29,541.80
  6. Step 6: Final answer
    x = 28,443.08

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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.