Home / 29,088.36-40,131.86-17,149.16

Finding the Fourth Proportional to 29,088.36, 40,131.86 and 17,149.16

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Solution

The fourth proportional to 29,088.36, 40,131.86 and 17,149.16 is: 23,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088.36 : 40,131.86 = 17,149.16 : x
  2. Step 2: Convert to fraction form
    29,088.36/40,131.86 = 17,149.16/x
  3. Step 3: Cross multiply
    29,088.36x = 40,131.86 × 17,149.16
  4. Step 4: Simplify right side
    29,088.36x = 688,227,401.83
  5. Step 5: Solve for x
    x = 688,227,401.83/29,088.36
  6. Step 6: Final answer
    x = 23,659.89

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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.