Home / 57,001.75-85,503.84-19,561.66

Finding the Fourth Proportional to 57,001.75, 85,503.84 and 19,561.66

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Solution

The fourth proportional to 57,001.75, 85,503.84 and 19,561.66 is: 29,342.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,001.75 : 85,503.84 = 19,561.66 : x
  2. Step 2: Convert to fraction form
    57,001.75/85,503.84 = 19,561.66/x
  3. Step 3: Cross multiply
    57,001.75x = 85,503.84 × 19,561.66
  4. Step 4: Simplify right side
    57,001.75x = 1,672,597,046.77
  5. Step 5: Solve for x
    x = 1,672,597,046.77/57,001.75
  6. Step 6: Final answer
    x = 29,342.91

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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.