Home / 31,853,297.20-47,749,677.72-20,306,355.16

Finding the Fourth Proportional to 31,853,297.20, 47,749,677.72 and 20,306,355.16

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Solution

The fourth proportional to 31,853,297.20, 47,749,677.72 and 20,306,355.16 is: 30,440,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853,297.20 : 47,749,677.72 = 20,306,355.16 : x
  2. Step 2: Convert to fraction form
    31,853,297.20/47,749,677.72 = 20,306,355.16/x
  3. Step 3: Cross multiply
    31,853,297.20x = 47,749,677.72 × 20,306,355.16
  4. Step 4: Simplify right side
    31,853,297.20x = 969,621,914,557,859
  5. Step 5: Solve for x
    x = 969,621,914,557,859/31,853,297.20
  6. Step 6: Final answer
    x = 30,440,236.95

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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.