Home / 31,147.73-46,729.02-10,087.78

Finding the Fourth Proportional to 31,147.73, 46,729.02 and 10,087.78

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Solution

The fourth proportional to 31,147.73, 46,729.02 and 10,087.78 is: 15,134.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,147.73 : 46,729.02 = 10,087.78 : x
  2. Step 2: Convert to fraction form
    31,147.73/46,729.02 = 10,087.78/x
  3. Step 3: Cross multiply
    31,147.73x = 46,729.02 × 10,087.78
  4. Step 4: Simplify right side
    31,147.73x = 471,391,918.72
  5. Step 5: Solve for x
    x = 471,391,918.72/31,147.73
  6. Step 6: Final answer
    x = 15,134.07

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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.