Home / 31,262.12-46,898.51-11,540.78

Finding the Fourth Proportional to 31,262.12, 46,898.51 and 11,540.78

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Solution

The fourth proportional to 31,262.12, 46,898.51 and 11,540.78 is: 17,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,262.12 : 46,898.51 = 11,540.78 : x
  2. Step 2: Convert to fraction form
    31,262.12/46,898.51 = 11,540.78/x
  3. Step 3: Cross multiply
    31,262.12x = 46,898.51 × 11,540.78
  4. Step 4: Simplify right side
    31,262.12x = 541,245,094.04
  5. Step 5: Solve for x
    x = 541,245,094.04/31,262.12
  6. Step 6: Final answer
    x = 17,313.13

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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.