Home / 66,028.92-99,031.88-30,487.22

Finding the Fourth Proportional to 66,028.92, 99,031.88 and 30,487.22

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Solution

The fourth proportional to 66,028.92, 99,031.88 and 30,487.22 is: 45,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,028.92 : 99,031.88 = 30,487.22 : x
  2. Step 2: Convert to fraction form
    66,028.92/99,031.88 = 30,487.22/x
  3. Step 3: Cross multiply
    66,028.92x = 99,031.88 × 30,487.22
  4. Step 4: Simplify right side
    66,028.92x = 3,019,206,064.98
  5. Step 5: Solve for x
    x = 3,019,206,064.98/66,028.92
  6. Step 6: Final answer
    x = 45,725.51

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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.