Home / 47,654.60-65,766.36-27,515.20

Finding the Fourth Proportional to 47,654.60, 65,766.36 and 27,515.20

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Solution

The fourth proportional to 47,654.60, 65,766.36 and 27,515.20 is: 37,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,654.60 : 65,766.36 = 27,515.20 : x
  2. Step 2: Convert to fraction form
    47,654.60/65,766.36 = 27,515.20/x
  3. Step 3: Cross multiply
    47,654.60x = 65,766.36 × 27,515.20
  4. Step 4: Simplify right side
    47,654.60x = 1,809,574,548.67
  5. Step 5: Solve for x
    x = 1,809,574,548.67/47,654.60
  6. Step 6: Final answer
    x = 37,972.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.