Home / 32,859.31-45,345.32-18,519.17

Finding the Fourth Proportional to 32,859.31, 45,345.32 and 18,519.17

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Solution

The fourth proportional to 32,859.31, 45,345.32 and 18,519.17 is: 25,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,859.31 : 45,345.32 = 18,519.17 : x
  2. Step 2: Convert to fraction form
    32,859.31/45,345.32 = 18,519.17/x
  3. Step 3: Cross multiply
    32,859.31x = 45,345.32 × 18,519.17
  4. Step 4: Simplify right side
    32,859.31x = 839,757,689.78
  5. Step 5: Solve for x
    x = 839,757,689.78/32,859.31
  6. Step 6: Final answer
    x = 25,556.16

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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.