Home / 49,461.40-68,280.38-28,236.57

Finding the Fourth Proportional to 49,461.40, 68,280.38 and 28,236.57

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Solution

The fourth proportional to 49,461.40, 68,280.38 and 28,236.57 is: 38,979.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,461.40 : 68,280.38 = 28,236.57 : x
  2. Step 2: Convert to fraction form
    49,461.40/68,280.38 = 28,236.57/x
  3. Step 3: Cross multiply
    49,461.40x = 68,280.38 × 28,236.57
  4. Step 4: Simplify right side
    49,461.40x = 1,928,003,729.50
  5. Step 5: Solve for x
    x = 1,928,003,729.50/49,461.40
  6. Step 6: Final answer
    x = 38,979.97

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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.