Home / 31,884.57-47,803.05-21,995.64

Finding the Fourth Proportional to 31,884.57, 47,803.05 and 21,995.64

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Solution

The fourth proportional to 31,884.57, 47,803.05 and 21,995.64 is: 32,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,884.57 : 47,803.05 = 21,995.64 : x
  2. Step 2: Convert to fraction form
    31,884.57/47,803.05 = 21,995.64/x
  3. Step 3: Cross multiply
    31,884.57x = 47,803.05 × 21,995.64
  4. Step 4: Simplify right side
    31,884.57x = 1,051,458,678.70
  5. Step 5: Solve for x
    x = 1,051,458,678.70/31,884.57
  6. Step 6: Final answer
    x = 32,977.04

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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.