Home / 38,132.49-57,164.72-19,402.05

Finding the Fourth Proportional to 38,132.49, 57,164.72 and 19,402.05

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Solution

The fourth proportional to 38,132.49, 57,164.72 and 19,402.05 is: 29,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.49 : 57,164.72 = 19,402.05 : x
  2. Step 2: Convert to fraction form
    38,132.49/57,164.72 = 19,402.05/x
  3. Step 3: Cross multiply
    38,132.49x = 57,164.72 × 19,402.05
  4. Step 4: Simplify right side
    38,132.49x = 1,109,112,658.67
  5. Step 5: Solve for x
    x = 1,109,112,658.67/38,132.49
  6. Step 6: Final answer
    x = 29,085.77

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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.