Home / 57,212.16-85,818.23-22,151.81

Finding the Fourth Proportional to 57,212.16, 85,818.23 and 22,151.81

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Solution

The fourth proportional to 57,212.16, 85,818.23 and 22,151.81 is: 33,227.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.16 : 85,818.23 = 22,151.81 : x
  2. Step 2: Convert to fraction form
    57,212.16/85,818.23 = 22,151.81/x
  3. Step 3: Cross multiply
    57,212.16x = 85,818.23 × 22,151.81
  4. Step 4: Simplify right side
    57,212.16x = 1,901,029,436.96
  5. Step 5: Solve for x
    x = 1,901,029,436.96/57,212.16
  6. Step 6: Final answer
    x = 33,227.72

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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.