Home / 39,961.79-59,969.16-21,962.59

Finding the Fourth Proportional to 39,961.79, 59,969.16 and 21,962.59

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Solution

The fourth proportional to 39,961.79, 59,969.16 and 21,962.59 is: 32,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.79 : 59,969.16 = 21,962.59 : x
  2. Step 2: Convert to fraction form
    39,961.79/59,969.16 = 21,962.59/x
  3. Step 3: Cross multiply
    39,961.79x = 59,969.16 × 21,962.59
  4. Step 4: Simplify right side
    39,961.79x = 1,317,078,154.23
  5. Step 5: Solve for x
    x = 1,317,078,154.23/39,961.79
  6. Step 6: Final answer
    x = 32,958.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.