Home / 32,857.17-45,345.57-18,517.98

Finding the Fourth Proportional to 32,857.17, 45,345.57 and 18,517.98

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Solution

The fourth proportional to 32,857.17, 45,345.57 and 18,517.98 is: 25,556.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,857.17 : 45,345.57 = 18,517.98 : x
  2. Step 2: Convert to fraction form
    32,857.17/45,345.57 = 18,517.98/x
  3. Step 3: Cross multiply
    32,857.17x = 45,345.57 × 18,517.98
  4. Step 4: Simplify right side
    32,857.17x = 839,708,358.35
  5. Step 5: Solve for x
    x = 839,708,358.35/32,857.17
  6. Step 6: Final answer
    x = 25,556.32

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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.