Home / 31,685.47-43,722.09-25,241.51

Finding the Fourth Proportional to 31,685.47, 43,722.09 and 25,241.51

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Solution

The fourth proportional to 31,685.47, 43,722.09 and 25,241.51 is: 34,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,685.47 : 43,722.09 = 25,241.51 : x
  2. Step 2: Convert to fraction form
    31,685.47/43,722.09 = 25,241.51/x
  3. Step 3: Cross multiply
    31,685.47x = 43,722.09 × 25,241.51
  4. Step 4: Simplify right side
    31,685.47x = 1,103,611,681.26
  5. Step 5: Solve for x
    x = 1,103,611,681.26/31,685.47
  6. Step 6: Final answer
    x = 34,830.22

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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.