Home / 52,251.42-72,107.82-28,378.11

Finding the Fourth Proportional to 52,251.42, 72,107.82 and 28,378.11

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Solution

The fourth proportional to 52,251.42, 72,107.82 and 28,378.11 is: 39,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.42 : 72,107.82 = 28,378.11 : x
  2. Step 2: Convert to fraction form
    52,251.42/72,107.82 = 28,378.11/x
  3. Step 3: Cross multiply
    52,251.42x = 72,107.82 × 28,378.11
  4. Step 4: Simplify right side
    52,251.42x = 2,046,283,647.82
  5. Step 5: Solve for x
    x = 2,046,283,647.82/52,251.42
  6. Step 6: Final answer
    x = 39,162.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.