Home / 31,259.49-43,138.26-17,831.10

Finding the Fourth Proportional to 31,259.49, 43,138.26 and 17,831.10

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Solution

The fourth proportional to 31,259.49, 43,138.26 and 17,831.10 is: 24,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.49 : 43,138.26 = 17,831.10 : x
  2. Step 2: Convert to fraction form
    31,259.49/43,138.26 = 17,831.10/x
  3. Step 3: Cross multiply
    31,259.49x = 43,138.26 × 17,831.10
  4. Step 4: Simplify right side
    31,259.49x = 769,202,627.89
  5. Step 5: Solve for x
    x = 769,202,627.89/31,259.49
  6. Step 6: Final answer
    x = 24,607.01

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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.