Home / 41,313.60-61,970.40-31,982.40

Finding the Fourth Proportional to 41,313.60, 61,970.40 and 31,982.40

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Solution

The fourth proportional to 41,313.60, 61,970.40 and 31,982.40 is: 47,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,313.60 : 61,970.40 = 31,982.40 : x
  2. Step 2: Convert to fraction form
    41,313.60/61,970.40 = 31,982.40/x
  3. Step 3: Cross multiply
    41,313.60x = 61,970.40 × 31,982.40
  4. Step 4: Simplify right side
    41,313.60x = 1,981,962,120.96
  5. Step 5: Solve for x
    x = 1,981,962,120.96/41,313.60
  6. Step 6: Final answer
    x = 47,973.60

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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.