Home / 54,380.16-75,043.44-30,506.40

Finding the Fourth Proportional to 54,380.16, 75,043.44 and 30,506.40

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Solution

The fourth proportional to 54,380.16, 75,043.44 and 30,506.40 is: 42,098.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,380.16 : 75,043.44 = 30,506.40 : x
  2. Step 2: Convert to fraction form
    54,380.16/75,043.44 = 30,506.40/x
  3. Step 3: Cross multiply
    54,380.16x = 75,043.44 × 30,506.40
  4. Step 4: Simplify right side
    54,380.16x = 2,289,305,198.02
  5. Step 5: Solve for x
    x = 2,289,305,198.02/54,380.16
  6. Step 6: Final answer
    x = 42,098.17

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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.