Home / 31,415.56-43,353.48-17,269.36

Finding the Fourth Proportional to 31,415.56, 43,353.48 and 17,269.36

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Solution

The fourth proportional to 31,415.56, 43,353.48 and 17,269.36 is: 23,831.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.56 : 43,353.48 = 17,269.36 : x
  2. Step 2: Convert to fraction form
    31,415.56/43,353.48 = 17,269.36/x
  3. Step 3: Cross multiply
    31,415.56x = 43,353.48 × 17,269.36
  4. Step 4: Simplify right side
    31,415.56x = 748,686,853.37
  5. Step 5: Solve for x
    x = 748,686,853.37/31,415.56
  6. Step 6: Final answer
    x = 23,831.72

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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.