Home / 40,014.42-60,059.30-20,307.12

Finding the Fourth Proportional to 40,014.42, 60,059.30 and 20,307.12

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Solution

The fourth proportional to 40,014.42, 60,059.30 and 20,307.12 is: 30,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.42 : 60,059.30 = 20,307.12 : x
  2. Step 2: Convert to fraction form
    40,014.42/60,059.30 = 20,307.12/x
  3. Step 3: Cross multiply
    40,014.42x = 60,059.30 × 20,307.12
  4. Step 4: Simplify right side
    40,014.42x = 1,219,631,310.68
  5. Step 5: Solve for x
    x = 1,219,631,310.68/40,014.42
  6. Step 6: Final answer
    x = 30,479.79

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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.