Home / 29,129.60-40,188.48-17,186.96

Finding the Fourth Proportional to 29,129.60, 40,188.48 and 17,186.96

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Solution

The fourth proportional to 29,129.60, 40,188.48 and 17,186.96 is: 23,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,129.60 : 40,188.48 = 17,186.96 : x
  2. Step 2: Convert to fraction form
    29,129.60/40,188.48 = 17,186.96/x
  3. Step 3: Cross multiply
    29,129.60x = 40,188.48 × 17,186.96
  4. Step 4: Simplify right side
    29,129.60x = 690,717,798.22
  5. Step 5: Solve for x
    x = 690,717,798.22/29,129.60
  6. Step 6: Final answer
    x = 23,711.89

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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.