Home / 39,673.27-54,750.13-21,768.27

Finding the Fourth Proportional to 39,673.27, 54,750.13 and 21,768.27

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Solution

The fourth proportional to 39,673.27, 54,750.13 and 21,768.27 is: 30,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,673.27 : 54,750.13 = 21,768.27 : x
  2. Step 2: Convert to fraction form
    39,673.27/54,750.13 = 21,768.27/x
  3. Step 3: Cross multiply
    39,673.27x = 54,750.13 × 21,768.27
  4. Step 4: Simplify right side
    39,673.27x = 1,191,815,503.53
  5. Step 5: Solve for x
    x = 1,191,815,503.53/39,673.27
  6. Step 6: Final answer
    x = 30,040.77

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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.