Home / 33,086.18-45,658.80-18,937.50

Finding the Fourth Proportional to 33,086.18, 45,658.80 and 18,937.50

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Solution

The fourth proportional to 33,086.18, 45,658.80 and 18,937.50 is: 26,133.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,086.18 : 45,658.80 = 18,937.50 : x
  2. Step 2: Convert to fraction form
    33,086.18/45,658.80 = 18,937.50/x
  3. Step 3: Cross multiply
    33,086.18x = 45,658.80 × 18,937.50
  4. Step 4: Simplify right side
    33,086.18x = 864,663,525
  5. Step 5: Solve for x
    x = 864,663,525/33,086.18
  6. Step 6: Final answer
    x = 26,133.68

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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.