Home / 39,449.00-54,439.82-21,544.01

Finding the Fourth Proportional to 39,449.00, 54,439.82 and 21,544.01

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Solution

The fourth proportional to 39,449.00, 54,439.82 and 21,544.01 is: 29,730.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.00 : 54,439.82 = 21,544.01 : x
  2. Step 2: Convert to fraction form
    39,449.00/54,439.82 = 21,544.01/x
  3. Step 3: Cross multiply
    39,449.00x = 54,439.82 × 21,544.01
  4. Step 4: Simplify right side
    39,449.00x = 1,172,851,808.14
  5. Step 5: Solve for x
    x = 1,172,851,808.14/39,449.00
  6. Step 6: Final answer
    x = 29,730.84

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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.