Home / 39,306.32-54,248.20-22,314.64

Finding the Fourth Proportional to 39,306.32, 54,248.20 and 22,314.64

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Solution

The fourth proportional to 39,306.32, 54,248.20 and 22,314.64 is: 30,797.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,306.32 : 54,248.20 = 22,314.64 : x
  2. Step 2: Convert to fraction form
    39,306.32/54,248.20 = 22,314.64/x
  3. Step 3: Cross multiply
    39,306.32x = 54,248.20 × 22,314.64
  4. Step 4: Simplify right side
    39,306.32x = 1,210,529,053.65
  5. Step 5: Solve for x
    x = 1,210,529,053.65/39,306.32
  6. Step 6: Final answer
    x = 30,797.31

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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.