Home / 49,303.20-68,039.28-28,081.20

Finding the Fourth Proportional to 49,303.20, 68,039.28 and 28,081.20

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Solution

The fourth proportional to 49,303.20, 68,039.28 and 28,081.20 is: 38,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,303.20 : 68,039.28 = 28,081.20 : x
  2. Step 2: Convert to fraction form
    49,303.20/68,039.28 = 28,081.20/x
  3. Step 3: Cross multiply
    49,303.20x = 68,039.28 × 28,081.20
  4. Step 4: Simplify right side
    49,303.20x = 1,910,624,629.54
  5. Step 5: Solve for x
    x = 1,910,624,629.54/49,303.20
  6. Step 6: Final answer
    x = 38,752.55

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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.