Home / 52,282.13-72,149.67-28,408.79

Finding the Fourth Proportional to 52,282.13, 72,149.67 and 28,408.79

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Solution

The fourth proportional to 52,282.13, 72,149.67 and 28,408.79 is: 39,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,282.13 : 72,149.67 = 28,408.79 : x
  2. Step 2: Convert to fraction form
    52,282.13/72,149.67 = 28,408.79/x
  3. Step 3: Cross multiply
    52,282.13x = 72,149.67 × 28,408.79
  4. Step 4: Simplify right side
    52,282.13x = 2,049,685,003.97
  5. Step 5: Solve for x
    x = 2,049,685,003.97/52,282.13
  6. Step 6: Final answer
    x = 39,204.32

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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.