Home / 39,277.71-54,204.39-21,373.88

Finding the Fourth Proportional to 39,277.71, 54,204.39 and 21,373.88

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Solution

The fourth proportional to 39,277.71, 54,204.39 and 21,373.88 is: 29,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.71 : 54,204.39 = 21,373.88 : x
  2. Step 2: Convert to fraction form
    39,277.71/54,204.39 = 21,373.88/x
  3. Step 3: Cross multiply
    39,277.71x = 54,204.39 × 21,373.88
  4. Step 4: Simplify right side
    39,277.71x = 1,158,557,856.31
  5. Step 5: Solve for x
    x = 1,158,557,856.31/39,277.71
  6. Step 6: Final answer
    x = 29,496.57

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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.