Home / 57,150.73-85,758.50-30,854.89

Finding the Fourth Proportional to 57,150.73, 85,758.50 and 30,854.89

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Solution

The fourth proportional to 57,150.73, 85,758.50 and 30,854.89 is: 46,299.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,150.73 : 85,758.50 = 30,854.89 : x
  2. Step 2: Convert to fraction form
    57,150.73/85,758.50 = 30,854.89/x
  3. Step 3: Cross multiply
    57,150.73x = 85,758.50 × 30,854.89
  4. Step 4: Simplify right side
    57,150.73x = 2,646,069,084.07
  5. Step 5: Solve for x
    x = 2,646,069,084.07/57,150.73
  6. Step 6: Final answer
    x = 46,299.83

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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.