Home / 48,655.12-72,986.64-15,377.44

Finding the Fourth Proportional to 48,655.12, 72,986.64 and 15,377.44

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Solution

The fourth proportional to 48,655.12, 72,986.64 and 15,377.44 is: 23,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,655.12 : 72,986.64 = 15,377.44 : x
  2. Step 2: Convert to fraction form
    48,655.12/72,986.64 = 15,377.44/x
  3. Step 3: Cross multiply
    48,655.12x = 72,986.64 × 15,377.44
  4. Step 4: Simplify right side
    48,655.12x = 1,122,347,677.40
  5. Step 5: Solve for x
    x = 1,122,347,677.40/48,655.12
  6. Step 6: Final answer
    x = 23,067.41

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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.