Home / 31,920.24-44,049.15-17,772.78

Finding the Fourth Proportional to 31,920.24, 44,049.15 and 17,772.78

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Solution

The fourth proportional to 31,920.24, 44,049.15 and 17,772.78 is: 24,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.24 : 44,049.15 = 17,772.78 : x
  2. Step 2: Convert to fraction form
    31,920.24/44,049.15 = 17,772.78/x
  3. Step 3: Cross multiply
    31,920.24x = 44,049.15 × 17,772.78
  4. Step 4: Simplify right side
    31,920.24x = 782,875,852.14
  5. Step 5: Solve for x
    x = 782,875,852.14/31,920.24
  6. Step 6: Final answer
    x = 24,526.00

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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.