Home / 39,403.02-54,375.99-21,497.97

Finding the Fourth Proportional to 39,403.02, 54,375.99 and 21,497.97

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Solution

The fourth proportional to 39,403.02, 54,375.99 and 21,497.97 is: 29,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,403.02 : 54,375.99 = 21,497.97 : x
  2. Step 2: Convert to fraction form
    39,403.02/54,375.99 = 21,497.97/x
  3. Step 3: Cross multiply
    39,403.02x = 54,375.99 × 21,497.97
  4. Step 4: Simplify right side
    39,403.02x = 1,168,973,645.96
  5. Step 5: Solve for x
    x = 1,168,973,645.96/39,403.02
  6. Step 6: Final answer
    x = 29,667.11

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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.