Home / 40,292.12-60,417.32-18,086.37

Finding the Fourth Proportional to 40,292.12, 60,417.32 and 18,086.37

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Solution

The fourth proportional to 40,292.12, 60,417.32 and 18,086.37 is: 27,120.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,292.12 : 60,417.32 = 18,086.37 : x
  2. Step 2: Convert to fraction form
    40,292.12/60,417.32 = 18,086.37/x
  3. Step 3: Cross multiply
    40,292.12x = 60,417.32 × 18,086.37
  4. Step 4: Simplify right side
    40,292.12x = 1,092,729,913.50
  5. Step 5: Solve for x
    x = 1,092,729,913.50/40,292.12
  6. Step 6: Final answer
    x = 27,120.19

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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.