Home / 48,662.57-67,141.64-28,508.62

Finding the Fourth Proportional to 48,662.57, 67,141.64 and 28,508.62

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Solution

The fourth proportional to 48,662.57, 67,141.64 and 28,508.62 is: 39,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.57 : 67,141.64 = 28,508.62 : x
  2. Step 2: Convert to fraction form
    48,662.57/67,141.64 = 28,508.62/x
  3. Step 3: Cross multiply
    48,662.57x = 67,141.64 × 28,508.62
  4. Step 4: Simplify right side
    48,662.57x = 1,914,115,500.94
  5. Step 5: Solve for x
    x = 1,914,115,500.94/48,662.57
  6. Step 6: Final answer
    x = 39,334.45

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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.