Home / 34,642.26-47,831.92-21,231.84

Finding the Fourth Proportional to 34,642.26, 47,831.92 and 21,231.84

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Solution

The fourth proportional to 34,642.26, 47,831.92 and 21,231.84 is: 29,315.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,642.26 : 47,831.92 = 21,231.84 : x
  2. Step 2: Convert to fraction form
    34,642.26/47,831.92 = 21,231.84/x
  3. Step 3: Cross multiply
    34,642.26x = 47,831.92 × 21,231.84
  4. Step 4: Simplify right side
    34,642.26x = 1,015,559,672.33
  5. Step 5: Solve for x
    x = 1,015,559,672.33/34,642.26
  6. Step 6: Final answer
    x = 29,315.63

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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.