Home / 49,728.02-68,626.15-30,618.81

Finding the Fourth Proportional to 49,728.02, 68,626.15 and 30,618.81

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Solution

The fourth proportional to 49,728.02, 68,626.15 and 30,618.81 is: 42,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.02 : 68,626.15 = 30,618.81 : x
  2. Step 2: Convert to fraction form
    49,728.02/68,626.15 = 30,618.81/x
  3. Step 3: Cross multiply
    49,728.02x = 68,626.15 × 30,618.81
  4. Step 4: Simplify right side
    49,728.02x = 2,101,251,228.68
  5. Step 5: Solve for x
    x = 2,101,251,228.68/49,728.02
  6. Step 6: Final answer
    x = 42,254.88

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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.