Home / 70,721.32-97,596.12-38,890.44

Finding the Fourth Proportional to 70,721.32, 97,596.12 and 38,890.44

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Solution

The fourth proportional to 70,721.32, 97,596.12 and 38,890.44 is: 53,669.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,721.32 : 97,596.12 = 38,890.44 : x
  2. Step 2: Convert to fraction form
    70,721.32/97,596.12 = 38,890.44/x
  3. Step 3: Cross multiply
    70,721.32x = 97,596.12 × 38,890.44
  4. Step 4: Simplify right side
    70,721.32x = 3,795,556,049.09
  5. Step 5: Solve for x
    x = 3,795,556,049.09/70,721.32
  6. Step 6: Final answer
    x = 53,669.19

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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.