Home / 52,961.28-79,441.85-13,518.40

Finding the Fourth Proportional to 52,961.28, 79,441.85 and 13,518.40

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Solution

The fourth proportional to 52,961.28, 79,441.85 and 13,518.40 is: 20,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,961.28 : 79,441.85 = 13,518.40 : x
  2. Step 2: Convert to fraction form
    52,961.28/79,441.85 = 13,518.40/x
  3. Step 3: Cross multiply
    52,961.28x = 79,441.85 × 13,518.40
  4. Step 4: Simplify right side
    52,961.28x = 1,073,926,705.04
  5. Step 5: Solve for x
    x = 1,073,926,705.04/52,961.28
  6. Step 6: Final answer
    x = 20,277.58

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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.