Home / 52,213.13-72,052.19-28,339.29

Finding the Fourth Proportional to 52,213.13, 72,052.19 and 28,339.29

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Solution

The fourth proportional to 52,213.13, 72,052.19 and 28,339.29 is: 39,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,213.13 : 72,052.19 = 28,339.29 : x
  2. Step 2: Convert to fraction form
    52,213.13/72,052.19 = 28,339.29/x
  3. Step 3: Cross multiply
    52,213.13x = 72,052.19 × 28,339.29
  4. Step 4: Simplify right side
    52,213.13x = 2,041,907,765.85
  5. Step 5: Solve for x
    x = 2,041,907,765.85/52,213.13
  6. Step 6: Final answer
    x = 39,107.17

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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.