Home / 40,012.38-55,057.73-38,794.95

Finding the Fourth Proportional to 40,012.38, 55,057.73 and 38,794.95

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Solution

The fourth proportional to 40,012.38, 55,057.73 and 38,794.95 is: 53,382.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,012.38 : 55,057.73 = 38,794.95 : x
  2. Step 2: Convert to fraction form
    40,012.38/55,057.73 = 38,794.95/x
  3. Step 3: Cross multiply
    40,012.38x = 55,057.73 × 38,794.95
  4. Step 4: Simplify right side
    40,012.38x = 2,135,961,688.49
  5. Step 5: Solve for x
    x = 2,135,961,688.49/40,012.38
  6. Step 6: Final answer
    x = 53,382.52

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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.