Home / 44,029.92-66,064.32-20,654.40

Finding the Fourth Proportional to 44,029.92, 66,064.32 and 20,654.40

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Solution

The fourth proportional to 44,029.92, 66,064.32 and 20,654.40 is: 30,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,029.92 : 66,064.32 = 20,654.40 : x
  2. Step 2: Convert to fraction form
    44,029.92/66,064.32 = 20,654.40/x
  3. Step 3: Cross multiply
    44,029.92x = 66,064.32 × 20,654.40
  4. Step 4: Simplify right side
    44,029.92x = 1,364,518,891.01
  5. Step 5: Solve for x
    x = 1,364,518,891.01/44,029.92
  6. Step 6: Final answer
    x = 30,990.72

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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.