Home / 48,656.79-67,147.25-28,519.38

Finding the Fourth Proportional to 48,656.79, 67,147.25 and 28,519.38

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Solution

The fourth proportional to 48,656.79, 67,147.25 and 28,519.38 is: 39,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,656.79 : 67,147.25 = 28,519.38 : x
  2. Step 2: Convert to fraction form
    48,656.79/67,147.25 = 28,519.38/x
  3. Step 3: Cross multiply
    48,656.79x = 67,147.25 × 28,519.38
  4. Step 4: Simplify right side
    48,656.79x = 1,914,997,796.11
  5. Step 5: Solve for x
    x = 1,914,997,796.11/48,656.79
  6. Step 6: Final answer
    x = 39,357.26

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1.5x scale

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.