Home / 49,260.95-67,980.18-28,040.21

Finding the Fourth Proportional to 49,260.95, 67,980.18 and 28,040.21

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Solution

The fourth proportional to 49,260.95, 67,980.18 and 28,040.21 is: 38,695.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,260.95 : 67,980.18 = 28,040.21 : x
  2. Step 2: Convert to fraction form
    49,260.95/67,980.18 = 28,040.21/x
  3. Step 3: Cross multiply
    49,260.95x = 67,980.18 × 28,040.21
  4. Step 4: Simplify right side
    49,260.95x = 1,906,178,183.14
  5. Step 5: Solve for x
    x = 1,906,178,183.14/49,260.95
  6. Step 6: Final answer
    x = 38,695.53

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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.