Home / 38,171.71-52,677.09-21,176.29

Finding the Fourth Proportional to 38,171.71, 52,677.09 and 21,176.29

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Solution

The fourth proportional to 38,171.71, 52,677.09 and 21,176.29 is: 29,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.71 : 52,677.09 = 21,176.29 : x
  2. Step 2: Convert to fraction form
    38,171.71/52,677.09 = 21,176.29/x
  3. Step 3: Cross multiply
    38,171.71x = 52,677.09 × 21,176.29
  4. Step 4: Simplify right side
    38,171.71x = 1,115,505,202.50
  5. Step 5: Solve for x
    x = 1,115,505,202.50/38,171.71
  6. Step 6: Final answer
    x = 29,223.35

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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.