Home / 39,564.95-54,599.66-21,661.04

Finding the Fourth Proportional to 39,564.95, 54,599.66 and 21,661.04

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Solution

The fourth proportional to 39,564.95, 54,599.66 and 21,661.04 is: 29,892.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,564.95 : 54,599.66 = 21,661.04 : x
  2. Step 2: Convert to fraction form
    39,564.95/54,599.66 = 21,661.04/x
  3. Step 3: Cross multiply
    39,564.95x = 54,599.66 × 21,661.04
  4. Step 4: Simplify right side
    39,564.95x = 1,182,685,037.94
  5. Step 5: Solve for x
    x = 1,182,685,037.94/39,564.95
  6. Step 6: Final answer
    x = 29,892.25

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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.