Home / 49,461.52-68,280.55-28,236.68

Finding the Fourth Proportional to 49,461.52, 68,280.55 and 28,236.68

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Solution

The fourth proportional to 49,461.52, 68,280.55 and 28,236.68 is: 38,980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,461.52 : 68,280.55 = 28,236.68 : x
  2. Step 2: Convert to fraction form
    49,461.52/68,280.55 = 28,236.68/x
  3. Step 3: Cross multiply
    49,461.52x = 68,280.55 × 28,236.68
  4. Step 4: Simplify right side
    49,461.52x = 1,928,016,040.57
  5. Step 5: Solve for x
    x = 1,928,016,040.57/49,461.52
  6. Step 6: Final answer
    x = 38,980.12

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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.