Home / 39,159.25-54,036.52-22,162.61

Finding the Fourth Proportional to 39,159.25, 54,036.52 and 22,162.61

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Solution

The fourth proportional to 39,159.25, 54,036.52 and 22,162.61 is: 30,582.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,159.25 : 54,036.52 = 22,162.61 : x
  2. Step 2: Convert to fraction form
    39,159.25/54,036.52 = 22,162.61/x
  3. Step 3: Cross multiply
    39,159.25x = 54,036.52 × 22,162.61
  4. Step 4: Simplify right side
    39,159.25x = 1,197,590,398.20
  5. Step 5: Solve for x
    x = 1,197,590,398.20/39,159.25
  6. Step 6: Final answer
    x = 30,582.57

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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.