Home / 52,866.95-79,331.41-21,272.09

Finding the Fourth Proportional to 52,866.95, 79,331.41 and 21,272.09

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Solution

The fourth proportional to 52,866.95, 79,331.41 and 21,272.09 is: 31,920.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,866.95 : 79,331.41 = 21,272.09 : x
  2. Step 2: Convert to fraction form
    52,866.95/79,331.41 = 21,272.09/x
  3. Step 3: Cross multiply
    52,866.95x = 79,331.41 × 21,272.09
  4. Step 4: Simplify right side
    52,866.95x = 1,687,544,588.66
  5. Step 5: Solve for x
    x = 1,687,544,588.66/52,866.95
  6. Step 6: Final answer
    x = 31,920.60

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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.