Home / 31,161.51-46,748.39-11,440.24

Finding the Fourth Proportional to 31,161.51, 46,748.39 and 11,440.24

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Solution

The fourth proportional to 31,161.51, 46,748.39 and 11,440.24 is: 17,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161.51 : 46,748.39 = 11,440.24 : x
  2. Step 2: Convert to fraction form
    31,161.51/46,748.39 = 11,440.24/x
  3. Step 3: Cross multiply
    31,161.51x = 46,748.39 × 11,440.24
  4. Step 4: Simplify right side
    31,161.51x = 534,812,627.14
  5. Step 5: Solve for x
    x = 534,812,627.14/31,161.51
  6. Step 6: Final answer
    x = 17,162.60

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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.