Home / 44,492.40-66,719.16-13,320.36

Finding the Fourth Proportional to 44,492.40, 66,719.16 and 13,320.36

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Solution

The fourth proportional to 44,492.40, 66,719.16 and 13,320.36 is: 19,974.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,492.40 : 66,719.16 = 13,320.36 : x
  2. Step 2: Convert to fraction form
    44,492.40/66,719.16 = 13,320.36/x
  3. Step 3: Cross multiply
    44,492.40x = 66,719.16 × 13,320.36
  4. Step 4: Simplify right side
    44,492.40x = 888,723,230.10
  5. Step 5: Solve for x
    x = 888,723,230.10/44,492.40
  6. Step 6: Final answer
    x = 19,974.72

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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.