Home / 39,969.25-59,959.80-13,306.53

Finding the Fourth Proportional to 39,969.25, 59,959.80 and 13,306.53

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Solution

The fourth proportional to 39,969.25, 59,959.80 and 13,306.53 is: 19,961.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.25 : 59,959.80 = 13,306.53 : x
  2. Step 2: Convert to fraction form
    39,969.25/59,959.80 = 13,306.53/x
  3. Step 3: Cross multiply
    39,969.25x = 59,959.80 × 13,306.53
  4. Step 4: Simplify right side
    39,969.25x = 797,856,914.99
  5. Step 5: Solve for x
    x = 797,856,914.99/39,969.25
  6. Step 6: Final answer
    x = 19,961.77

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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.