Home / 40,137.32-60,206.66-15,189.12

Finding the Fourth Proportional to 40,137.32, 60,206.66 and 15,189.12

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Solution

The fourth proportional to 40,137.32, 60,206.66 and 15,189.12 is: 22,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.32 : 60,206.66 = 15,189.12 : x
  2. Step 2: Convert to fraction form
    40,137.32/60,206.66 = 15,189.12/x
  3. Step 3: Cross multiply
    40,137.32x = 60,206.66 × 15,189.12
  4. Step 4: Simplify right side
    40,137.32x = 914,486,164.55
  5. Step 5: Solve for x
    x = 914,486,164.55/40,137.32
  6. Step 6: Final answer
    x = 22,783.94

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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.