Home / 31,153.44-42,991.04-17,006.52

Finding the Fourth Proportional to 31,153.44, 42,991.04 and 17,006.52

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Solution

The fourth proportional to 31,153.44, 42,991.04 and 17,006.52 is: 23,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,153.44 : 42,991.04 = 17,006.52 : x
  2. Step 2: Convert to fraction form
    31,153.44/42,991.04 = 17,006.52/x
  3. Step 3: Cross multiply
    31,153.44x = 42,991.04 × 17,006.52
  4. Step 4: Simplify right side
    31,153.44x = 731,127,981.58
  5. Step 5: Solve for x
    x = 731,127,981.58/31,153.44
  6. Step 6: Final answer
    x = 23,468.61

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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.