Home / 40,293.12-60,418.81-18,087.37

Finding the Fourth Proportional to 40,293.12, 60,418.81 and 18,087.37

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Solution

The fourth proportional to 40,293.12, 60,418.81 and 18,087.37 is: 27,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,293.12 : 60,418.81 = 18,087.37 : x
  2. Step 2: Convert to fraction form
    40,293.12/60,418.81 = 18,087.37/x
  3. Step 3: Cross multiply
    40,293.12x = 60,418.81 × 18,087.37
  4. Step 4: Simplify right side
    40,293.12x = 1,092,817,371.43
  5. Step 5: Solve for x
    x = 1,092,817,371.43/40,293.12
  6. Step 6: Final answer
    x = 27,121.69

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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.