Home / 39,864.40-55,008.25-22,863.94

Finding the Fourth Proportional to 39,864.40, 55,008.25 and 22,863.94

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Solution

The fourth proportional to 39,864.40, 55,008.25 and 22,863.94 is: 31,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,864.40 : 55,008.25 = 22,863.94 : x
  2. Step 2: Convert to fraction form
    39,864.40/55,008.25 = 22,863.94/x
  3. Step 3: Cross multiply
    39,864.40x = 55,008.25 × 22,863.94
  4. Step 4: Simplify right side
    39,864.40x = 1,257,705,132.82
  5. Step 5: Solve for x
    x = 1,257,705,132.82/39,864.40
  6. Step 6: Final answer
    x = 31,549.58

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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.