Home / 31,229-46,837.78-9,036.92

Finding the Fourth Proportional to 31,229, 46,837.78 and 9,036.92

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Solution

The fourth proportional to 31,229, 46,837.78 and 9,036.92 is: 13,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,229 : 46,837.78 = 9,036.92 : x
  2. Step 2: Convert to fraction form
    31,229/46,837.78 = 9,036.92/x
  3. Step 3: Cross multiply
    31,229x = 46,837.78 × 9,036.92
  4. Step 4: Simplify right side
    31,229x = 423,269,270.84
  5. Step 5: Solve for x
    x = 423,269,270.84/31,229
  6. Step 6: Final answer
    x = 13,553.72

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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.