Home / 57,282.83-85,903.74-19,832.85

Finding the Fourth Proportional to 57,282.83, 85,903.74 and 19,832.85

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Solution

The fourth proportional to 57,282.83, 85,903.74 and 19,832.85 is: 29,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,282.83 : 85,903.74 = 19,832.85 : x
  2. Step 2: Convert to fraction form
    57,282.83/85,903.74 = 19,832.85/x
  3. Step 3: Cross multiply
    57,282.83x = 85,903.74 × 19,832.85
  4. Step 4: Simplify right side
    57,282.83x = 1,703,715,989.86
  5. Step 5: Solve for x
    x = 1,703,715,989.86/57,282.83
  6. Step 6: Final answer
    x = 29,742.18

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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.