Home / 31,995.18-47,993.49-25,425.99

Finding the Fourth Proportional to 31,995.18, 47,993.49 and 25,425.99

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Solution

The fourth proportional to 31,995.18, 47,993.49 and 25,425.99 is: 38,139.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.18 : 47,993.49 = 25,425.99 : x
  2. Step 2: Convert to fraction form
    31,995.18/47,993.49 = 25,425.99/x
  3. Step 3: Cross multiply
    31,995.18x = 47,993.49 × 25,425.99
  4. Step 4: Simplify right side
    31,995.18x = 1,220,281,996.81
  5. Step 5: Solve for x
    x = 1,220,281,996.81/31,995.18
  6. Step 6: Final answer
    x = 38,139.56

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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.