Home / 67,014.17-100,521.32-20,267.09

Finding the Fourth Proportional to 67,014.17, 100,521.32 and 20,267.09

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Solution

The fourth proportional to 67,014.17, 100,521.32 and 20,267.09 is: 30,400.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,014.17 : 100,521.32 = 20,267.09 : x
  2. Step 2: Convert to fraction form
    67,014.17/100,521.32 = 20,267.09/x
  3. Step 3: Cross multiply
    67,014.17x = 100,521.32 × 20,267.09
  4. Step 4: Simplify right side
    67,014.17x = 2,037,274,639.36
  5. Step 5: Solve for x
    x = 2,037,274,639.36/67,014.17
  6. Step 6: Final answer
    x = 30,400.65

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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.