Home / 35,981.76-53,979.12-17,245.92

Finding the Fourth Proportional to 35,981.76, 53,979.12 and 17,245.92

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Solution

The fourth proportional to 35,981.76, 53,979.12 and 17,245.92 is: 25,871.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.76 : 53,979.12 = 17,245.92 : x
  2. Step 2: Convert to fraction form
    35,981.76/53,979.12 = 17,245.92/x
  3. Step 3: Cross multiply
    35,981.76x = 53,979.12 × 17,245.92
  4. Step 4: Simplify right side
    35,981.76x = 930,919,585.19
  5. Step 5: Solve for x
    x = 930,919,585.19/35,981.76
  6. Step 6: Final answer
    x = 25,871.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.