Home / 39,274.55-54,199.84-21,370.53

Finding the Fourth Proportional to 39,274.55, 54,199.84 and 21,370.53

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Solution

The fourth proportional to 39,274.55, 54,199.84 and 21,370.53 is: 29,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,274.55 : 54,199.84 = 21,370.53 : x
  2. Step 2: Convert to fraction form
    39,274.55/54,199.84 = 21,370.53/x
  3. Step 3: Cross multiply
    39,274.55x = 54,199.84 × 21,370.53
  4. Step 4: Simplify right side
    39,274.55x = 1,158,279,468.93
  5. Step 5: Solve for x
    x = 1,158,279,468.93/39,274.55
  6. Step 6: Final answer
    x = 29,491.86

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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.