Home / 31,412.54-43,352.16-17,268.14

Finding the Fourth Proportional to 31,412.54, 43,352.16 and 17,268.14

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Solution

The fourth proportional to 31,412.54, 43,352.16 and 17,268.14 is: 23,831.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,412.54 : 43,352.16 = 17,268.14 : x
  2. Step 2: Convert to fraction form
    31,412.54/43,352.16 = 17,268.14/x
  3. Step 3: Cross multiply
    31,412.54x = 43,352.16 × 17,268.14
  4. Step 4: Simplify right side
    31,412.54x = 748,611,168.18
  5. Step 5: Solve for x
    x = 748,611,168.18/31,412.54
  6. Step 6: Final answer
    x = 23,831.60

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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.