Home / 39,275.88-54,204.32-22,285.65

Finding the Fourth Proportional to 39,275.88, 54,204.32 and 22,285.65

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Solution

The fourth proportional to 39,275.88, 54,204.32 and 22,285.65 is: 30,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,275.88 : 54,204.32 = 22,285.65 : x
  2. Step 2: Convert to fraction form
    39,275.88/54,204.32 = 22,285.65/x
  3. Step 3: Cross multiply
    39,275.88x = 54,204.32 × 22,285.65
  4. Step 4: Simplify right side
    39,275.88x = 1,207,978,392.58
  5. Step 5: Solve for x
    x = 1,207,978,392.58/39,275.88
  6. Step 6: Final answer
    x = 30,756.24

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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.