Home / 31,262.34-46,902.29-12,555.51

Finding the Fourth Proportional to 31,262.34, 46,902.29 and 12,555.51

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Solution

The fourth proportional to 31,262.34, 46,902.29 and 12,555.51 is: 18,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.34 : 46,902.29 = 12,555.51 : x
  2. Step 2: Convert to fraction form
    31,262.34/46,902.29 = 12,555.51/x
  3. Step 3: Cross multiply
    31,262.34x = 46,902.29 × 12,555.51
  4. Step 4: Simplify right side
    31,262.34x = 588,882,171.12
  5. Step 5: Solve for x
    x = 588,882,171.12/31,262.34
  6. Step 6: Final answer
    x = 18,836.79

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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.