Home / 66,380.10-99,559.53-22,005.06

Finding the Fourth Proportional to 66,380.10, 99,559.53 and 22,005.06

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Solution

The fourth proportional to 66,380.10, 99,559.53 and 22,005.06 is: 33,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,380.10 : 99,559.53 = 22,005.06 : x
  2. Step 2: Convert to fraction form
    66,380.10/99,559.53 = 22,005.06/x
  3. Step 3: Cross multiply
    66,380.10x = 99,559.53 × 22,005.06
  4. Step 4: Simplify right side
    66,380.10x = 2,190,813,431.22
  5. Step 5: Solve for x
    x = 2,190,813,431.22/66,380.10
  6. Step 6: Final answer
    x = 33,004.07

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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.