Home / 31,569.33-43,564.53-17,421.87

Finding the Fourth Proportional to 31,569.33, 43,564.53 and 17,421.87

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Solution

The fourth proportional to 31,569.33, 43,564.53 and 17,421.87 is: 24,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.33 : 43,564.53 = 17,421.87 : x
  2. Step 2: Convert to fraction form
    31,569.33/43,564.53 = 17,421.87/x
  3. Step 3: Cross multiply
    31,569.33x = 43,564.53 × 17,421.87
  4. Step 4: Simplify right side
    31,569.33x = 758,975,578.27
  5. Step 5: Solve for x
    x = 758,975,578.27/31,569.33
  6. Step 6: Final answer
    x = 24,041.55

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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.