Home / 40,974.64-61,500.22-21,267.04

Finding the Fourth Proportional to 40,974.64, 61,500.22 and 21,267.04

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Solution

The fourth proportional to 40,974.64, 61,500.22 and 21,267.04 is: 31,920.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,974.64 : 61,500.22 = 21,267.04 : x
  2. Step 2: Convert to fraction form
    40,974.64/61,500.22 = 21,267.04/x
  3. Step 3: Cross multiply
    40,974.64x = 61,500.22 × 21,267.04
  4. Step 4: Simplify right side
    40,974.64x = 1,307,927,638.75
  5. Step 5: Solve for x
    x = 1,307,927,638.75/40,974.64
  6. Step 6: Final answer
    x = 31,920.42

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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.