Home / 39,721.94-59,554.02-18,651.14

Finding the Fourth Proportional to 39,721.94, 59,554.02 and 18,651.14

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Solution

The fourth proportional to 39,721.94, 59,554.02 and 18,651.14 is: 27,963.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,721.94 : 59,554.02 = 18,651.14 : x
  2. Step 2: Convert to fraction form
    39,721.94/59,554.02 = 18,651.14/x
  3. Step 3: Cross multiply
    39,721.94x = 59,554.02 × 18,651.14
  4. Step 4: Simplify right side
    39,721.94x = 1,110,750,513.47
  5. Step 5: Solve for x
    x = 1,110,750,513.47/39,721.94
  6. Step 6: Final answer
    x = 27,963.15

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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.