Home / 38,073.08-57,113.46-13,109.82

Finding the Fourth Proportional to 38,073.08, 57,113.46 and 13,109.82

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Solution

The fourth proportional to 38,073.08, 57,113.46 and 13,109.82 is: 19,666.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.08 : 57,113.46 = 13,109.82 : x
  2. Step 2: Convert to fraction form
    38,073.08/57,113.46 = 13,109.82/x
  3. Step 3: Cross multiply
    38,073.08x = 57,113.46 × 13,109.82
  4. Step 4: Simplify right side
    38,073.08x = 748,747,180.18
  5. Step 5: Solve for x
    x = 748,747,180.18/38,073.08
  6. Step 6: Final answer
    x = 19,666.05

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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.