Home / 39,449.01-54,439.35-21,544.02

Finding the Fourth Proportional to 39,449.01, 54,439.35 and 21,544.02

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Solution

The fourth proportional to 39,449.01, 54,439.35 and 21,544.02 is: 29,730.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,449.01 : 54,439.35 = 21,544.02 : x
  2. Step 2: Convert to fraction form
    39,449.01/54,439.35 = 21,544.02/x
  3. Step 3: Cross multiply
    39,449.01x = 54,439.35 × 21,544.02
  4. Step 4: Simplify right side
    39,449.01x = 1,172,842,172.99
  5. Step 5: Solve for x
    x = 1,172,842,172.99/39,449.01
  6. Step 6: Final answer
    x = 29,730.59

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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.