Home / 40,252.20-60,339.90-31,362.60

Finding the Fourth Proportional to 40,252.20, 60,339.90 and 31,362.60

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Solution

The fourth proportional to 40,252.20, 60,339.90 and 31,362.60 is: 47,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,252.20 : 60,339.90 = 31,362.60 : x
  2. Step 2: Convert to fraction form
    40,252.20/60,339.90 = 31,362.60/x
  3. Step 3: Cross multiply
    40,252.20x = 60,339.90 × 31,362.60
  4. Step 4: Simplify right side
    40,252.20x = 1,892,416,147.74
  5. Step 5: Solve for x
    x = 1,892,416,147.74/40,252.20
  6. Step 6: Final answer
    x = 47,013.98

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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.