Home / 39,382.76-54,351.45-22,392.35

Finding the Fourth Proportional to 39,382.76, 54,351.45 and 22,392.35

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Solution

The fourth proportional to 39,382.76, 54,351.45 and 22,392.35 is: 30,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.76 : 54,351.45 = 22,392.35 : x
  2. Step 2: Convert to fraction form
    39,382.76/54,351.45 = 22,392.35/x
  3. Step 3: Cross multiply
    39,382.76x = 54,351.45 × 22,392.35
  4. Step 4: Simplify right side
    39,382.76x = 1,217,056,560.49
  5. Step 5: Solve for x
    x = 1,217,056,560.49/39,382.76
  6. Step 6: Final answer
    x = 30,903.29

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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.