Home / 31,165.16-46,719.94-11,439.14

Finding the Fourth Proportional to 31,165.16, 46,719.94 and 11,439.14

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Solution

The fourth proportional to 31,165.16, 46,719.94 and 11,439.14 is: 17,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,165.16 : 46,719.94 = 11,439.14 : x
  2. Step 2: Convert to fraction form
    31,165.16/46,719.94 = 11,439.14/x
  3. Step 3: Cross multiply
    31,165.16x = 46,719.94 × 11,439.14
  4. Step 4: Simplify right side
    31,165.16x = 534,435,934.45
  5. Step 5: Solve for x
    x = 534,435,934.45/31,165.16
  6. Step 6: Final answer
    x = 17,148.51

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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.