Home / 32,987.50-45,525.63-18,086.38

Finding the Fourth Proportional to 32,987.50, 45,525.63 and 18,086.38

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Solution

The fourth proportional to 32,987.50, 45,525.63 and 18,086.38 is: 24,960.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,987.50 : 45,525.63 = 18,086.38 : x
  2. Step 2: Convert to fraction form
    32,987.50/45,525.63 = 18,086.38/x
  3. Step 3: Cross multiply
    32,987.50x = 45,525.63 × 18,086.38
  4. Step 4: Simplify right side
    32,987.50x = 823,393,843.92
  5. Step 5: Solve for x
    x = 823,393,843.92/32,987.50
  6. Step 6: Final answer
    x = 24,960.78

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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.