Home / 57,212.42-85,759.05-19,233.50

Finding the Fourth Proportional to 57,212.42, 85,759.05 and 19,233.50

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Solution

The fourth proportional to 57,212.42, 85,759.05 and 19,233.50 is: 28,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.42 : 85,759.05 = 19,233.50 : x
  2. Step 2: Convert to fraction form
    57,212.42/85,759.05 = 19,233.50/x
  3. Step 3: Cross multiply
    57,212.42x = 85,759.05 × 19,233.50
  4. Step 4: Simplify right side
    57,212.42x = 1,649,446,688.18
  5. Step 5: Solve for x
    x = 1,649,446,688.18/57,212.42
  6. Step 6: Final answer
    x = 28,830.22

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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.