Home / 29,110.46-40,159.25-17,168.23

Finding the Fourth Proportional to 29,110.46, 40,159.25 and 17,168.23

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Solution

The fourth proportional to 29,110.46, 40,159.25 and 17,168.23 is: 23,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.46 : 40,159.25 = 17,168.23 : x
  2. Step 2: Convert to fraction form
    29,110.46/40,159.25 = 17,168.23/x
  3. Step 3: Cross multiply
    29,110.46x = 40,159.25 × 17,168.23
  4. Step 4: Simplify right side
    29,110.46x = 689,463,118.77
  5. Step 5: Solve for x
    x = 689,463,118.77/29,110.46
  6. Step 6: Final answer
    x = 23,684.38

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Double scale
Find fourth proportional to 29,111.46, 40,160.63 and 17,169.23
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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.