Home / 52,742.14-79,113.27-19,447.78

Finding the Fourth Proportional to 52,742.14, 79,113.27 and 19,447.78

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Solution

The fourth proportional to 52,742.14, 79,113.27 and 19,447.78 is: 29,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,742.14 : 79,113.27 = 19,447.78 : x
  2. Step 2: Convert to fraction form
    52,742.14/79,113.27 = 19,447.78/x
  3. Step 3: Cross multiply
    52,742.14x = 79,113.27 × 19,447.78
  4. Step 4: Simplify right side
    52,742.14x = 1,538,577,470.04
  5. Step 5: Solve for x
    x = 1,538,577,470.04/52,742.14
  6. Step 6: Final answer
    x = 29,171.69

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1.5x scale

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.