Home / 31,202.18-47,013.72-25,777.02

Finding the Fourth Proportional to 31,202.18, 47,013.72 and 25,777.02

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Solution

The fourth proportional to 31,202.18, 47,013.72 and 25,777.02 is: 38,839.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.18 : 47,013.72 = 25,777.02 : x
  2. Step 2: Convert to fraction form
    31,202.18/47,013.72 = 25,777.02/x
  3. Step 3: Cross multiply
    31,202.18x = 47,013.72 × 25,777.02
  4. Step 4: Simplify right side
    31,202.18x = 1,211,873,600.71
  5. Step 5: Solve for x
    x = 1,211,873,600.71/31,202.18
  6. Step 6: Final answer
    x = 38,839.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.