Home / 30,320.32-41,839.20-22,366.96

Finding the Fourth Proportional to 30,320.32, 41,839.20 and 22,366.96

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Solution

The fourth proportional to 30,320.32, 41,839.20 and 22,366.96 is: 30,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,320.32 : 41,839.20 = 22,366.96 : x
  2. Step 2: Convert to fraction form
    30,320.32/41,839.20 = 22,366.96/x
  3. Step 3: Cross multiply
    30,320.32x = 41,839.20 × 22,366.96
  4. Step 4: Simplify right side
    30,320.32x = 935,815,712.83
  5. Step 5: Solve for x
    x = 935,815,712.83/30,320.32
  6. Step 6: Final answer
    x = 30,864.31

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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.