Home / 31,291.61-43,174.97-19,026.63

Finding the Fourth Proportional to 31,291.61, 43,174.97 and 19,026.63

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Solution

The fourth proportional to 31,291.61, 43,174.97 and 19,026.63 is: 26,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,291.61 : 43,174.97 = 19,026.63 : x
  2. Step 2: Convert to fraction form
    31,291.61/43,174.97 = 19,026.63/x
  3. Step 3: Cross multiply
    31,291.61x = 43,174.97 × 19,026.63
  4. Step 4: Simplify right side
    31,291.61x = 821,474,084.32
  5. Step 5: Solve for x
    x = 821,474,084.32/31,291.61
  6. Step 6: Final answer
    x = 26,252.22

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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.