Home / 39,277.78-54,204.68-21,373.44

Finding the Fourth Proportional to 39,277.78, 54,204.68 and 21,373.44

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Solution

The fourth proportional to 39,277.78, 54,204.68 and 21,373.44 is: 29,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.78 : 54,204.68 = 21,373.44 : x
  2. Step 2: Convert to fraction form
    39,277.78/54,204.68 = 21,373.44/x
  3. Step 3: Cross multiply
    39,277.78x = 54,204.68 × 21,373.44
  4. Step 4: Simplify right side
    39,277.78x = 1,158,540,325.87
  5. Step 5: Solve for x
    x = 1,158,540,325.87/39,277.78
  6. Step 6: Final answer
    x = 29,496.08

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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.