Home / 48,679.92-67,179.17-28,551.33

Finding the Fourth Proportional to 48,679.92, 67,179.17 and 28,551.33

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Solution

The fourth proportional to 48,679.92, 67,179.17 and 28,551.33 is: 39,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,679.92 : 67,179.17 = 28,551.33 : x
  2. Step 2: Convert to fraction form
    48,679.92/67,179.17 = 28,551.33/x
  3. Step 3: Cross multiply
    48,679.92x = 67,179.17 × 28,551.33
  4. Step 4: Simplify right side
    48,679.92x = 1,918,054,509.04
  5. Step 5: Solve for x
    x = 1,918,054,509.04/48,679.92
  6. Step 6: Final answer
    x = 39,401.35

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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.