Home / 54,562.95-75,296.12-30,689.64

Finding the Fourth Proportional to 54,562.95, 75,296.12 and 30,689.64

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Solution

The fourth proportional to 54,562.95, 75,296.12 and 30,689.64 is: 42,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,562.95 : 75,296.12 = 30,689.64 : x
  2. Step 2: Convert to fraction form
    54,562.95/75,296.12 = 30,689.64/x
  3. Step 3: Cross multiply
    54,562.95x = 75,296.12 × 30,689.64
  4. Step 4: Simplify right side
    54,562.95x = 2,310,810,662.75
  5. Step 5: Solve for x
    x = 2,310,810,662.75/54,562.95
  6. Step 6: Final answer
    x = 42,351.28

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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.