Home / 57,158.73-85,725.14-20,222.73

Finding the Fourth Proportional to 57,158.73, 85,725.14 and 20,222.73

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Solution

The fourth proportional to 57,158.73, 85,725.14 and 20,222.73 is: 30,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158.73 : 85,725.14 = 20,222.73 : x
  2. Step 2: Convert to fraction form
    57,158.73/85,725.14 = 20,222.73/x
  3. Step 3: Cross multiply
    57,158.73x = 85,725.14 × 20,222.73
  4. Step 4: Simplify right side
    57,158.73x = 1,733,596,259.32
  5. Step 5: Solve for x
    x = 1,733,596,259.32/57,158.73
  6. Step 6: Final answer
    x = 30,329.51

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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.