Home / 49,115.77-67,750.22-29,986.81

Finding the Fourth Proportional to 49,115.77, 67,750.22 and 29,986.81

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Solution

The fourth proportional to 49,115.77, 67,750.22 and 29,986.81 is: 41,363.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.77 : 67,750.22 = 29,986.81 : x
  2. Step 2: Convert to fraction form
    49,115.77/67,750.22 = 29,986.81/x
  3. Step 3: Cross multiply
    49,115.77x = 67,750.22 × 29,986.81
  4. Step 4: Simplify right side
    49,115.77x = 2,031,612,880.19
  5. Step 5: Solve for x
    x = 2,031,612,880.19/49,115.77
  6. Step 6: Final answer
    x = 41,363.76

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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.