Home / 57,221.42-85,856.82-30,944.72

Finding the Fourth Proportional to 57,221.42, 85,856.82 and 30,944.72

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Solution

The fourth proportional to 57,221.42, 85,856.82 and 30,944.72 is: 46,430.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,221.42 : 85,856.82 = 30,944.72 : x
  2. Step 2: Convert to fraction form
    57,221.42/85,856.82 = 30,944.72/x
  3. Step 3: Cross multiply
    57,221.42x = 85,856.82 × 30,944.72
  4. Step 4: Simplify right side
    57,221.42x = 2,656,815,254.99
  5. Step 5: Solve for x
    x = 2,656,815,254.99/57,221.42
  6. Step 6: Final answer
    x = 46,430.43

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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.