Home / 40,972.80-61,473.60-17,600.64

Finding the Fourth Proportional to 40,972.80, 61,473.60 and 17,600.64

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Solution

The fourth proportional to 40,972.80, 61,473.60 and 17,600.64 is: 26,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,972.80 : 61,473.60 = 17,600.64 : x
  2. Step 2: Convert to fraction form
    40,972.80/61,473.60 = 17,600.64/x
  3. Step 3: Cross multiply
    40,972.80x = 61,473.60 × 17,600.64
  4. Step 4: Simplify right side
    40,972.80x = 1,081,974,703.10
  5. Step 5: Solve for x
    x = 1,081,974,703.10/40,972.80
  6. Step 6: Final answer
    x = 26,407.15

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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.