Home / 38,971.92-58,420.29-17,926.38

Finding the Fourth Proportional to 38,971.92, 58,420.29 and 17,926.38

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Solution

The fourth proportional to 38,971.92, 58,420.29 and 17,926.38 is: 26,872.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,971.92 : 58,420.29 = 17,926.38 : x
  2. Step 2: Convert to fraction form
    38,971.92/58,420.29 = 17,926.38/x
  3. Step 3: Cross multiply
    38,971.92x = 58,420.29 × 17,926.38
  4. Step 4: Simplify right side
    38,971.92x = 1,047,264,318.25
  5. Step 5: Solve for x
    x = 1,047,264,318.25/38,971.92
  6. Step 6: Final answer
    x = 26,872.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.