Home / 39,395.09-59,103.59-21,877.22

Finding the Fourth Proportional to 39,395.09, 59,103.59 and 21,877.22

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Solution

The fourth proportional to 39,395.09, 59,103.59 and 21,877.22 is: 32,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,395.09 : 59,103.59 = 21,877.22 : x
  2. Step 2: Convert to fraction form
    39,395.09/59,103.59 = 21,877.22/x
  3. Step 3: Cross multiply
    39,395.09x = 59,103.59 × 21,877.22
  4. Step 4: Simplify right side
    39,395.09x = 1,293,021,836.32
  5. Step 5: Solve for x
    x = 1,293,021,836.32/39,395.09
  6. Step 6: Final answer
    x = 32,821.91

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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.