Home / 44,118.28-66,121.80-17,808.40

Finding the Fourth Proportional to 44,118.28, 66,121.80 and 17,808.40

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Solution

The fourth proportional to 44,118.28, 66,121.80 and 17,808.40 is: 26,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,118.28 : 66,121.80 = 17,808.40 : x
  2. Step 2: Convert to fraction form
    44,118.28/66,121.80 = 17,808.40/x
  3. Step 3: Cross multiply
    44,118.28x = 66,121.80 × 17,808.40
  4. Step 4: Simplify right side
    44,118.28x = 1,177,523,463.12
  5. Step 5: Solve for x
    x = 1,177,523,463.12/44,118.28
  6. Step 6: Final answer
    x = 26,690.15

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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.