Home / 31,449.51-43,401.11-17,110.14

Finding the Fourth Proportional to 31,449.51, 43,401.11 and 17,110.14

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Solution

The fourth proportional to 31,449.51, 43,401.11 and 17,110.14 is: 23,612.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.51 : 43,401.11 = 17,110.14 : x
  2. Step 2: Convert to fraction form
    31,449.51/43,401.11 = 17,110.14/x
  3. Step 3: Cross multiply
    31,449.51x = 43,401.11 × 17,110.14
  4. Step 4: Simplify right side
    31,449.51x = 742,599,068.26
  5. Step 5: Solve for x
    x = 742,599,068.26/31,449.51
  6. Step 6: Final answer
    x = 23,612.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.