Home / 54,321.17-74,961.87-30,122.23

Finding the Fourth Proportional to 54,321.17, 74,961.87 and 30,122.23

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Solution

The fourth proportional to 54,321.17, 74,961.87 and 30,122.23 is: 41,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,321.17 : 74,961.87 = 30,122.23 : x
  2. Step 2: Convert to fraction form
    54,321.17/74,961.87 = 30,122.23/x
  3. Step 3: Cross multiply
    54,321.17x = 74,961.87 × 30,122.23
  4. Step 4: Simplify right side
    54,321.17x = 2,258,018,689.37
  5. Step 5: Solve for x
    x = 2,258,018,689.37/54,321.17
  6. Step 6: Final answer
    x = 41,567.93

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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.