Home / 38,178.52-52,684.57-21,182.58

Finding the Fourth Proportional to 38,178.52, 52,684.57 and 21,182.58

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Solution

The fourth proportional to 38,178.52, 52,684.57 and 21,182.58 is: 29,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.52 : 52,684.57 = 21,182.58 : x
  2. Step 2: Convert to fraction form
    38,178.52/52,684.57 = 21,182.58/x
  3. Step 3: Cross multiply
    38,178.52x = 52,684.57 × 21,182.58
  4. Step 4: Simplify right side
    38,178.52x = 1,115,995,118.79
  5. Step 5: Solve for x
    x = 1,115,995,118.79/38,178.52
  6. Step 6: Final answer
    x = 29,230.97

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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.