Home / 31,032.06-42,824.43-16,884.99

Finding the Fourth Proportional to 31,032.06, 42,824.43 and 16,884.99

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Solution

The fourth proportional to 31,032.06, 42,824.43 and 16,884.99 is: 23,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,032.06 : 42,824.43 = 16,884.99 : x
  2. Step 2: Convert to fraction form
    31,032.06/42,824.43 = 16,884.99/x
  3. Step 3: Cross multiply
    31,032.06x = 42,824.43 × 16,884.99
  4. Step 4: Simplify right side
    31,032.06x = 723,090,072.31
  5. Step 5: Solve for x
    x = 723,090,072.31/31,032.06
  6. Step 6: Final answer
    x = 23,301.39

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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.