Home / 38,459.34-57,654.72-20,699.54

Finding the Fourth Proportional to 38,459.34, 57,654.72 and 20,699.54

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Solution

The fourth proportional to 38,459.34, 57,654.72 and 20,699.54 is: 31,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,459.34 : 57,654.72 = 20,699.54 : x
  2. Step 2: Convert to fraction form
    38,459.34/57,654.72 = 20,699.54/x
  3. Step 3: Cross multiply
    38,459.34x = 57,654.72 × 20,699.54
  4. Step 4: Simplify right side
    38,459.34x = 1,193,426,182.83
  5. Step 5: Solve for x
    x = 1,193,426,182.83/38,459.34
  6. Step 6: Final answer
    x = 31,030.85

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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.