Home / 57,084.84-85,626.62-21,999.88

Finding the Fourth Proportional to 57,084.84, 85,626.62 and 21,999.88

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Solution

The fourth proportional to 57,084.84, 85,626.62 and 21,999.88 is: 32,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,084.84 : 85,626.62 = 21,999.88 : x
  2. Step 2: Convert to fraction form
    57,084.84/85,626.62 = 21,999.88/x
  3. Step 3: Cross multiply
    57,084.84x = 85,626.62 × 21,999.88
  4. Step 4: Simplify right side
    57,084.84x = 1,883,775,364.81
  5. Step 5: Solve for x
    x = 1,883,775,364.81/57,084.84
  6. Step 6: Final answer
    x = 32,999.57

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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.