Home / 54,128.16-74,697.16-30,255.84

Finding the Fourth Proportional to 54,128.16, 74,697.16 and 30,255.84

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Solution

The fourth proportional to 54,128.16, 74,697.16 and 30,255.84 is: 41,753.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,128.16 : 74,697.16 = 30,255.84 : x
  2. Step 2: Convert to fraction form
    54,128.16/74,697.16 = 30,255.84/x
  3. Step 3: Cross multiply
    54,128.16x = 74,697.16 × 30,255.84
  4. Step 4: Simplify right side
    54,128.16x = 2,260,025,321.41
  5. Step 5: Solve for x
    x = 2,260,025,321.41/54,128.16
  6. Step 6: Final answer
    x = 41,753.23

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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.