Home / 57,011.73-85,488.30-19,561.73

Finding the Fourth Proportional to 57,011.73, 85,488.30 and 19,561.73

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Solution

The fourth proportional to 57,011.73, 85,488.30 and 19,561.73 is: 29,332.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,011.73 : 85,488.30 = 19,561.73 : x
  2. Step 2: Convert to fraction form
    57,011.73/85,488.30 = 19,561.73/x
  3. Step 3: Cross multiply
    57,011.73x = 85,488.30 × 19,561.73
  4. Step 4: Simplify right side
    57,011.73x = 1,672,298,615.32
  5. Step 5: Solve for x
    x = 1,672,298,615.32/57,011.73
  6. Step 6: Final answer
    x = 29,332.54

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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.