Home / 30,532.12-42,160.38-22,965.36

Finding the Fourth Proportional to 30,532.12, 42,160.38 and 22,965.36

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Solution

The fourth proportional to 30,532.12, 42,160.38 and 22,965.36 is: 31,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,532.12 : 42,160.38 = 22,965.36 : x
  2. Step 2: Convert to fraction form
    30,532.12/42,160.38 = 22,965.36/x
  3. Step 3: Cross multiply
    30,532.12x = 42,160.38 × 22,965.36
  4. Step 4: Simplify right side
    30,532.12x = 968,228,304.44
  5. Step 5: Solve for x
    x = 968,228,304.44/30,532.12
  6. Step 6: Final answer
    x = 31,711.79

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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.