Home / 38,171.98-52,677.40-21,176.23

Finding the Fourth Proportional to 38,171.98, 52,677.40 and 21,176.23

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Solution

The fourth proportional to 38,171.98, 52,677.40 and 21,176.23 is: 29,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.98 : 52,677.40 = 21,176.23 : x
  2. Step 2: Convert to fraction form
    38,171.98/52,677.40 = 21,176.23/x
  3. Step 3: Cross multiply
    38,171.98x = 52,677.40 × 21,176.23
  4. Step 4: Simplify right side
    38,171.98x = 1,115,508,638.93
  5. Step 5: Solve for x
    x = 1,115,508,638.93/38,171.98
  6. Step 6: Final answer
    x = 29,223.23

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Double scale
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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.