Home / 38,040.68-57,039.42-31,839.32

Finding the Fourth Proportional to 38,040.68, 57,039.42 and 31,839.32

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Solution

The fourth proportional to 38,040.68, 57,039.42 and 31,839.32 is: 47,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.68 : 57,039.42 = 31,839.32 : x
  2. Step 2: Convert to fraction form
    38,040.68/57,039.42 = 31,839.32/x
  3. Step 3: Cross multiply
    38,040.68x = 57,039.42 × 31,839.32
  4. Step 4: Simplify right side
    38,040.68x = 1,816,096,345.99
  5. Step 5: Solve for x
    x = 1,816,096,345.99/38,040.68
  6. Step 6: Final answer
    x = 47,740.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.