Home / 40,311.40-60,467.24-12,231.70

Finding the Fourth Proportional to 40,311.40, 60,467.24 and 12,231.70

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Solution

The fourth proportional to 40,311.40, 60,467.24 and 12,231.70 is: 18,347.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,311.40 : 60,467.24 = 12,231.70 : x
  2. Step 2: Convert to fraction form
    40,311.40/60,467.24 = 12,231.70/x
  3. Step 3: Cross multiply
    40,311.40x = 60,467.24 × 12,231.70
  4. Step 4: Simplify right side
    40,311.40x = 739,617,139.51
  5. Step 5: Solve for x
    x = 739,617,139.51/40,311.40
  6. Step 6: Final answer
    x = 18,347.59

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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.