Home / 52,901.42-79,350.90-13,458.56

Finding the Fourth Proportional to 52,901.42, 79,350.90 and 13,458.56

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Solution

The fourth proportional to 52,901.42, 79,350.90 and 13,458.56 is: 20,187.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,901.42 : 79,350.90 = 13,458.56 : x
  2. Step 2: Convert to fraction form
    52,901.42/79,350.90 = 13,458.56/x
  3. Step 3: Cross multiply
    52,901.42x = 79,350.90 × 13,458.56
  4. Step 4: Simplify right side
    52,901.42x = 1,067,948,848.70
  5. Step 5: Solve for x
    x = 1,067,948,848.70/52,901.42
  6. Step 6: Final answer
    x = 20,187.53

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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.