Home / 44,579.36-66,869.28-13,414.40

Finding the Fourth Proportional to 44,579.36, 66,869.28 and 13,414.40

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Solution

The fourth proportional to 44,579.36, 66,869.28 and 13,414.40 is: 20,121.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,579.36 : 66,869.28 = 13,414.40 : x
  2. Step 2: Convert to fraction form
    44,579.36/66,869.28 = 13,414.40/x
  3. Step 3: Cross multiply
    44,579.36x = 66,869.28 × 13,414.40
  4. Step 4: Simplify right side
    44,579.36x = 897,011,269.63
  5. Step 5: Solve for x
    x = 897,011,269.63/44,579.36
  6. Step 6: Final answer
    x = 20,121.67

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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.