Home / 31,416.12-43,353.63-17,269.20

Finding the Fourth Proportional to 31,416.12, 43,353.63 and 17,269.20

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Solution

The fourth proportional to 31,416.12, 43,353.63 and 17,269.20 is: 23,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.12 : 43,353.63 = 17,269.20 : x
  2. Step 2: Convert to fraction form
    31,416.12/43,353.63 = 17,269.20/x
  3. Step 3: Cross multiply
    31,416.12x = 43,353.63 × 17,269.20
  4. Step 4: Simplify right side
    31,416.12x = 748,682,507.20
  5. Step 5: Solve for x
    x = 748,682,507.20/31,416.12
  6. Step 6: Final answer
    x = 23,831.16

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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.