Home / 38,171.84-52,677.27-21,176.42

Finding the Fourth Proportional to 38,171.84, 52,677.27 and 21,176.42

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Solution

The fourth proportional to 38,171.84, 52,677.27 and 21,176.42 is: 29,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.84 : 52,677.27 = 21,176.42 : x
  2. Step 2: Convert to fraction form
    38,171.84/52,677.27 = 21,176.42/x
  3. Step 3: Cross multiply
    38,171.84x = 52,677.27 × 21,176.42
  4. Step 4: Simplify right side
    38,171.84x = 1,115,515,624.70
  5. Step 5: Solve for x
    x = 1,115,515,624.70/38,171.84
  6. Step 6: Final answer
    x = 29,223.53

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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.