Home / 39,584.97-54,627.28-21,681.10

Finding the Fourth Proportional to 39,584.97, 54,627.28 and 21,681.10

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Solution

The fourth proportional to 39,584.97, 54,627.28 and 21,681.10 is: 29,919.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,584.97 : 54,627.28 = 21,681.10 : x
  2. Step 2: Convert to fraction form
    39,584.97/54,627.28 = 21,681.10/x
  3. Step 3: Cross multiply
    39,584.97x = 54,627.28 × 21,681.10
  4. Step 4: Simplify right side
    39,584.97x = 1,184,379,534.49
  5. Step 5: Solve for x
    x = 1,184,379,534.49/39,584.97
  6. Step 6: Final answer
    x = 29,919.93

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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.