Home / 52,307.11-72,183.90-28,433.71

Finding the Fourth Proportional to 52,307.11, 72,183.90 and 28,433.71

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Solution

The fourth proportional to 52,307.11, 72,183.90 and 28,433.71 is: 39,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,307.11 : 72,183.90 = 28,433.71 : x
  2. Step 2: Convert to fraction form
    52,307.11/72,183.90 = 28,433.71/x
  3. Step 3: Cross multiply
    52,307.11x = 72,183.90 × 28,433.71
  4. Step 4: Simplify right side
    52,307.11x = 2,052,456,079.27
  5. Step 5: Solve for x
    x = 2,052,456,079.27/52,307.11
  6. Step 6: Final answer
    x = 39,238.57

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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.