Home / 48,716.12-67,239.48-28,579.47

Finding the Fourth Proportional to 48,716.12, 67,239.48 and 28,579.47

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Solution

The fourth proportional to 48,716.12, 67,239.48 and 28,579.47 is: 39,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,716.12 : 67,239.48 = 28,579.47 : x
  2. Step 2: Convert to fraction form
    48,716.12/67,239.48 = 28,579.47/x
  3. Step 3: Cross multiply
    48,716.12x = 67,239.48 × 28,579.47
  4. Step 4: Simplify right side
    48,716.12x = 1,921,668,701.48
  5. Step 5: Solve for x
    x = 1,921,668,701.48/48,716.12
  6. Step 6: Final answer
    x = 39,446.26

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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.