Home / 20,831.42-31,240.64-6,041.36

Finding the Fourth Proportional to 20,831.42, 31,240.64 and 6,041.36

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Solution

The fourth proportional to 20,831.42, 31,240.64 and 6,041.36 is: 9,060.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,831.42 : 31,240.64 = 6,041.36 : x
  2. Step 2: Convert to fraction form
    20,831.42/31,240.64 = 6,041.36/x
  3. Step 3: Cross multiply
    20,831.42x = 31,240.64 × 6,041.36
  4. Step 4: Simplify right side
    20,831.42x = 188,735,952.87
  5. Step 5: Solve for x
    x = 188,735,952.87/20,831.42
  6. Step 6: Final answer
    x = 9,060.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.