Home / 38,505.67-57,765.71-12,203.35

Finding the Fourth Proportional to 38,505.67, 57,765.71 and 12,203.35

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Solution

The fourth proportional to 38,505.67, 57,765.71 and 12,203.35 is: 18,307.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,505.67 : 57,765.71 = 12,203.35 : x
  2. Step 2: Convert to fraction form
    38,505.67/57,765.71 = 12,203.35/x
  3. Step 3: Cross multiply
    38,505.67x = 57,765.71 × 12,203.35
  4. Step 4: Simplify right side
    38,505.67x = 704,935,116.11
  5. Step 5: Solve for x
    x = 704,935,116.11/38,505.67
  6. Step 6: Final answer
    x = 18,307.31

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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.