Home / 39,449.94-54,440.56-21,544.90

Finding the Fourth Proportional to 39,449.94, 54,440.56 and 21,544.90

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Solution

The fourth proportional to 39,449.94, 54,440.56 and 21,544.90 is: 29,731.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.94 : 54,440.56 = 21,544.90 : x
  2. Step 2: Convert to fraction form
    39,449.94/54,440.56 = 21,544.90/x
  3. Step 3: Cross multiply
    39,449.94x = 54,440.56 × 21,544.90
  4. Step 4: Simplify right side
    39,449.94x = 1,172,916,421.14
  5. Step 5: Solve for x
    x = 1,172,916,421.14/39,449.94
  6. Step 6: Final answer
    x = 29,731.77

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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.