Home / 45,739.20-68,951.60-42,691.08

Finding the Fourth Proportional to 45,739.20, 68,951.60 and 42,691.08

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Solution

The fourth proportional to 45,739.20, 68,951.60 and 42,691.08 is: 64,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.20 : 68,951.60 = 42,691.08 : x
  2. Step 2: Convert to fraction form
    45,739.20/68,951.60 = 42,691.08/x
  3. Step 3: Cross multiply
    45,739.20x = 68,951.60 × 42,691.08
  4. Step 4: Simplify right side
    45,739.20x = 2,943,618,271.73
  5. Step 5: Solve for x
    x = 2,943,618,271.73/45,739.20
  6. Step 6: Final answer
    x = 64,356.58

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.