Home / 48,499.49-66,919.23-28,352.43

Finding the Fourth Proportional to 48,499.49, 66,919.23 and 28,352.43

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Solution

The fourth proportional to 48,499.49, 66,919.23 and 28,352.43 is: 39,120.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,499.49 : 66,919.23 = 28,352.43 : x
  2. Step 2: Convert to fraction form
    48,499.49/66,919.23 = 28,352.43/x
  3. Step 3: Cross multiply
    48,499.49x = 66,919.23 × 28,352.43
  4. Step 4: Simplify right side
    48,499.49x = 1,897,322,784.23
  5. Step 5: Solve for x
    x = 1,897,322,784.23/48,499.49
  6. Step 6: Final answer
    x = 39,120.47

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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.