Home / 31,931.20-44,065.03-18,510.24

Finding the Fourth Proportional to 31,931.20, 44,065.03 and 18,510.24

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Solution

The fourth proportional to 31,931.20, 44,065.03 and 18,510.24 is: 25,544.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.20 : 44,065.03 = 18,510.24 : x
  2. Step 2: Convert to fraction form
    31,931.20/44,065.03 = 18,510.24/x
  3. Step 3: Cross multiply
    31,931.20x = 44,065.03 × 18,510.24
  4. Step 4: Simplify right side
    31,931.20x = 815,654,188.36
  5. Step 5: Solve for x
    x = 815,654,188.36/31,931.20
  6. Step 6: Final answer
    x = 25,544.12

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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.