Home / 39,277.98-54,203.56-21,372.96

Finding the Fourth Proportional to 39,277.98, 54,203.56 and 21,372.96

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Solution

The fourth proportional to 39,277.98, 54,203.56 and 21,372.96 is: 29,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,277.98 : 54,203.56 = 21,372.96 : x
  2. Step 2: Convert to fraction form
    39,277.98/54,203.56 = 21,372.96/x
  3. Step 3: Cross multiply
    39,277.98x = 54,203.56 × 21,372.96
  4. Step 4: Simplify right side
    39,277.98x = 1,158,490,519.74
  5. Step 5: Solve for x
    x = 1,158,490,519.74/39,277.98
  6. Step 6: Final answer
    x = 29,494.66

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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.