Home / 31,729.16-47,600.94-21,872.36

Finding the Fourth Proportional to 31,729.16, 47,600.94 and 21,872.36

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Solution

The fourth proportional to 31,729.16, 47,600.94 and 21,872.36 is: 32,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,729.16 : 47,600.94 = 21,872.36 : x
  2. Step 2: Convert to fraction form
    31,729.16/47,600.94 = 21,872.36/x
  3. Step 3: Cross multiply
    31,729.16x = 47,600.94 × 21,872.36
  4. Step 4: Simplify right side
    31,729.16x = 1,041,144,896.02
  5. Step 5: Solve for x
    x = 1,041,144,896.02/31,729.16
  6. Step 6: Final answer
    x = 32,813.50

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1.5x scale

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.