Home / 65,206.20-97,874.10-31,963.80

Finding the Fourth Proportional to 65,206.20, 97,874.10 and 31,963.80

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Solution

The fourth proportional to 65,206.20, 97,874.10 and 31,963.80 is: 47,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,206.20 : 97,874.10 = 31,963.80 : x
  2. Step 2: Convert to fraction form
    65,206.20/97,874.10 = 31,963.80/x
  3. Step 3: Cross multiply
    65,206.20x = 97,874.10 × 31,963.80
  4. Step 4: Simplify right side
    65,206.20x = 3,128,428,157.58
  5. Step 5: Solve for x
    x = 3,128,428,157.58/65,206.20
  6. Step 6: Final answer
    x = 47,977.46

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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.