Home / 66,325.28-99,487.92-21,940.08

Finding the Fourth Proportional to 66,325.28, 99,487.92 and 21,940.08

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Solution

The fourth proportional to 66,325.28, 99,487.92 and 21,940.08 is: 32,910.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,325.28 : 99,487.92 = 21,940.08 : x
  2. Step 2: Convert to fraction form
    66,325.28/99,487.92 = 21,940.08/x
  3. Step 3: Cross multiply
    66,325.28x = 99,487.92 × 21,940.08
  4. Step 4: Simplify right side
    66,325.28x = 2,182,772,923.83
  5. Step 5: Solve for x
    x = 2,182,772,923.83/66,325.28
  6. Step 6: Final answer
    x = 32,910.12

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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.