Home / 32,985.39-45,519.24-18,836.31

Finding the Fourth Proportional to 32,985.39, 45,519.24 and 18,836.31

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Solution

The fourth proportional to 32,985.39, 45,519.24 and 18,836.31 is: 25,993.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,985.39 : 45,519.24 = 18,836.31 : x
  2. Step 2: Convert to fraction form
    32,985.39/45,519.24 = 18,836.31/x
  3. Step 3: Cross multiply
    32,985.39x = 45,519.24 × 18,836.31
  4. Step 4: Simplify right side
    32,985.39x = 857,414,515.60
  5. Step 5: Solve for x
    x = 857,414,515.60/32,985.39
  6. Step 6: Final answer
    x = 25,993.77

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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.