Home / 39,448.01-54,437.97-21,543.02

Finding the Fourth Proportional to 39,448.01, 54,437.97 and 21,543.02

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Solution

The fourth proportional to 39,448.01, 54,437.97 and 21,543.02 is: 29,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,448.01 : 54,437.97 = 21,543.02 : x
  2. Step 2: Convert to fraction form
    39,448.01/54,437.97 = 21,543.02/x
  3. Step 3: Cross multiply
    39,448.01x = 54,437.97 × 21,543.02
  4. Step 4: Simplify right side
    39,448.01x = 1,172,758,004.28
  5. Step 5: Solve for x
    x = 1,172,758,004.28/39,448.01
  6. Step 6: Final answer
    x = 29,729.21

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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.