Home / 39,276.60-54,205.32-22,286.40

Finding the Fourth Proportional to 39,276.60, 54,205.32 and 22,286.40

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Solution

The fourth proportional to 39,276.60, 54,205.32 and 22,286.40 is: 30,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.60 : 54,205.32 = 22,286.40 : x
  2. Step 2: Convert to fraction form
    39,276.60/54,205.32 = 22,286.40/x
  3. Step 3: Cross multiply
    39,276.60x = 54,205.32 × 22,286.40
  4. Step 4: Simplify right side
    39,276.60x = 1,208,041,443.65
  5. Step 5: Solve for x
    x = 1,208,041,443.65/39,276.60
  6. Step 6: Final answer
    x = 30,757.28

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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.