Home / 71,052.32-98,052.22-39,221.24

Finding the Fourth Proportional to 71,052.32, 98,052.22 and 39,221.24

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Solution

The fourth proportional to 71,052.32, 98,052.22 and 39,221.24 is: 54,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,052.32 : 98,052.22 = 39,221.24 : x
  2. Step 2: Convert to fraction form
    71,052.32/98,052.22 = 39,221.24/x
  3. Step 3: Cross multiply
    71,052.32x = 98,052.22 × 39,221.24
  4. Step 4: Simplify right side
    71,052.32x = 3,845,729,653.15
  5. Step 5: Solve for x
    x = 3,845,729,653.15/71,052.32
  6. Step 6: Final answer
    x = 54,125.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.