Home / 40,390.64-60,589.30-12,310.93

Finding the Fourth Proportional to 40,390.64, 60,589.30 and 12,310.93

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Solution

The fourth proportional to 40,390.64, 60,589.30 and 12,310.93 is: 18,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,390.64 : 60,589.30 = 12,310.93 : x
  2. Step 2: Convert to fraction form
    40,390.64/60,589.30 = 12,310.93/x
  3. Step 3: Cross multiply
    40,390.64x = 60,589.30 × 12,310.93
  4. Step 4: Simplify right side
    40,390.64x = 745,910,630.52
  5. Step 5: Solve for x
    x = 745,910,630.52/40,390.64
  6. Step 6: Final answer
    x = 18,467.41

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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.