Home / 31,831.56-43,927.44-17,685.72

Finding the Fourth Proportional to 31,831.56, 43,927.44 and 17,685.72

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Solution

The fourth proportional to 31,831.56, 43,927.44 and 17,685.72 is: 24,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.56 : 43,927.44 = 17,685.72 : x
  2. Step 2: Convert to fraction form
    31,831.56/43,927.44 = 17,685.72/x
  3. Step 3: Cross multiply
    31,831.56x = 43,927.44 × 17,685.72
  4. Step 4: Simplify right side
    31,831.56x = 776,888,404.16
  5. Step 5: Solve for x
    x = 776,888,404.16/31,831.56
  6. Step 6: Final answer
    x = 24,406.23

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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.