Home / 39,983.04-59,970.33-21,243.24

Finding the Fourth Proportional to 39,983.04, 59,970.33 and 21,243.24

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Solution

The fourth proportional to 39,983.04, 59,970.33 and 21,243.24 is: 31,862.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.04 : 59,970.33 = 21,243.24 : x
  2. Step 2: Convert to fraction form
    39,983.04/59,970.33 = 21,243.24/x
  3. Step 3: Cross multiply
    39,983.04x = 59,970.33 × 21,243.24
  4. Step 4: Simplify right side
    39,983.04x = 1,273,964,113.07
  5. Step 5: Solve for x
    x = 1,273,964,113.07/39,983.04
  6. Step 6: Final answer
    x = 31,862.61

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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.