Home / 39,277.35-54,202.86-21,372.36

Finding the Fourth Proportional to 39,277.35, 54,202.86 and 21,372.36

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Solution

The fourth proportional to 39,277.35, 54,202.86 and 21,372.36 is: 29,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.35 : 54,202.86 = 21,372.36 : x
  2. Step 2: Convert to fraction form
    39,277.35/54,202.86 = 21,372.36/x
  3. Step 3: Cross multiply
    39,277.35x = 54,202.86 × 21,372.36
  4. Step 4: Simplify right side
    39,277.35x = 1,158,443,036.95
  5. Step 5: Solve for x
    x = 1,158,443,036.95/39,277.35
  6. Step 6: Final answer
    x = 29,493.92

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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.