Home / 31,344.91-46,987.38-11,618.17

Finding the Fourth Proportional to 31,344.91, 46,987.38 and 11,618.17

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Solution

The fourth proportional to 31,344.91, 46,987.38 and 11,618.17 is: 17,416.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,344.91 : 46,987.38 = 11,618.17 : x
  2. Step 2: Convert to fraction form
    31,344.91/46,987.38 = 11,618.17/x
  3. Step 3: Cross multiply
    31,344.91x = 46,987.38 × 11,618.17
  4. Step 4: Simplify right side
    31,344.91x = 545,907,368.69
  5. Step 5: Solve for x
    x = 545,907,368.69/31,344.91
  6. Step 6: Final answer
    x = 17,416.14

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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.