Home / 39,988.65-55,184.09-22,083.51

Finding the Fourth Proportional to 39,988.65, 55,184.09 and 22,083.51

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Solution

The fourth proportional to 39,988.65, 55,184.09 and 22,083.51 is: 30,475.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,988.65 : 55,184.09 = 22,083.51 : x
  2. Step 2: Convert to fraction form
    39,988.65/55,184.09 = 22,083.51/x
  3. Step 3: Cross multiply
    39,988.65x = 55,184.09 × 22,083.51
  4. Step 4: Simplify right side
    39,988.65x = 1,218,658,292.94
  5. Step 5: Solve for x
    x = 1,218,658,292.94/39,988.65
  6. Step 6: Final answer
    x = 30,475.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.