Home / 54,320.30-81,482.16-16,880.57

Finding the Fourth Proportional to 54,320.30, 81,482.16 and 16,880.57

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Solution

The fourth proportional to 54,320.30, 81,482.16 and 16,880.57 is: 25,321.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.30 : 81,482.16 = 16,880.57 : x
  2. Step 2: Convert to fraction form
    54,320.30/81,482.16 = 16,880.57/x
  3. Step 3: Cross multiply
    54,320.30x = 81,482.16 × 16,880.57
  4. Step 4: Simplify right side
    54,320.30x = 1,375,464,898.22
  5. Step 5: Solve for x
    x = 1,375,464,898.22/54,320.30
  6. Step 6: Final answer
    x = 25,321.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.