Home / 66,220.32-99,401.20-26,803.20

Finding the Fourth Proportional to 66,220.32, 99,401.20 and 26,803.20

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Solution

The fourth proportional to 66,220.32, 99,401.20 and 26,803.20 is: 40,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,220.32 : 99,401.20 = 26,803.20 : x
  2. Step 2: Convert to fraction form
    66,220.32/99,401.20 = 26,803.20/x
  3. Step 3: Cross multiply
    66,220.32x = 99,401.20 × 26,803.20
  4. Step 4: Simplify right side
    66,220.32x = 2,664,270,243.84
  5. Step 5: Solve for x
    x = 2,664,270,243.84/66,220.32
  6. Step 6: Final answer
    x = 40,233.42

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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.