Home / 31,411.54-43,350.78-17,267.14

Finding the Fourth Proportional to 31,411.54, 43,350.78 and 17,267.14

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Solution

The fourth proportional to 31,411.54, 43,350.78 and 17,267.14 is: 23,830.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,411.54 : 43,350.78 = 17,267.14 : x
  2. Step 2: Convert to fraction form
    31,411.54/43,350.78 = 17,267.14/x
  3. Step 3: Cross multiply
    31,411.54x = 43,350.78 × 17,267.14
  4. Step 4: Simplify right side
    31,411.54x = 748,543,987.37
  5. Step 5: Solve for x
    x = 748,543,987.37/31,411.54
  6. Step 6: Final answer
    x = 23,830.22

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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.