Home / 31,225.80-43,092.63-17,078.64

Finding the Fourth Proportional to 31,225.80, 43,092.63 and 17,078.64

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Solution

The fourth proportional to 31,225.80, 43,092.63 and 17,078.64 is: 23,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.80 : 43,092.63 = 17,078.64 : x
  2. Step 2: Convert to fraction form
    31,225.80/43,092.63 = 17,078.64/x
  3. Step 3: Cross multiply
    31,225.80x = 43,092.63 × 17,078.64
  4. Step 4: Simplify right side
    31,225.80x = 735,963,676.02
  5. Step 5: Solve for x
    x = 735,963,676.02/31,225.80
  6. Step 6: Final answer
    x = 23,569.09

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1.5x scale

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.