Home / 64,813.56-97,198.04-31,512.18

Finding the Fourth Proportional to 64,813.56, 97,198.04 and 31,512.18

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Solution

The fourth proportional to 64,813.56, 97,198.04 and 31,512.18 is: 47,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,813.56 : 97,198.04 = 31,512.18 : x
  2. Step 2: Convert to fraction form
    64,813.56/97,198.04 = 31,512.18/x
  3. Step 3: Cross multiply
    64,813.56x = 97,198.04 × 31,512.18
  4. Step 4: Simplify right side
    64,813.56x = 3,062,922,132.13
  5. Step 5: Solve for x
    x = 3,062,922,132.13/64,813.56
  6. Step 6: Final answer
    x = 47,257.43

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1.5x scale

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.