Home / 40,057.92-60,099.84-19,278.72

Finding the Fourth Proportional to 40,057.92, 60,099.84 and 19,278.72

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Solution

The fourth proportional to 40,057.92, 60,099.84 and 19,278.72 is: 28,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.92 : 60,099.84 = 19,278.72 : x
  2. Step 2: Convert to fraction form
    40,057.92/60,099.84 = 19,278.72/x
  3. Step 3: Cross multiply
    40,057.92x = 60,099.84 × 19,278.72
  4. Step 4: Simplify right side
    40,057.92x = 1,158,647,987.40
  5. Step 5: Solve for x
    x = 1,158,647,987.40/40,057.92
  6. Step 6: Final answer
    x = 28,924.32

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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.