Home / 45,087.25-67,586.91-18,799.51

Finding the Fourth Proportional to 45,087.25, 67,586.91 and 18,799.51

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Solution

The fourth proportional to 45,087.25, 67,586.91 and 18,799.51 is: 28,180.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,087.25 : 67,586.91 = 18,799.51 : x
  2. Step 2: Convert to fraction form
    45,087.25/67,586.91 = 18,799.51/x
  3. Step 3: Cross multiply
    45,087.25x = 67,586.91 × 18,799.51
  4. Step 4: Simplify right side
    45,087.25x = 1,270,600,790.41
  5. Step 5: Solve for x
    x = 1,270,600,790.41/45,087.25
  6. Step 6: Final answer
    x = 28,180.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.