Home / 47,954.64-71,931.96-21,644.88

Finding the Fourth Proportional to 47,954.64, 71,931.96 and 21,644.88

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Solution

The fourth proportional to 47,954.64, 71,931.96 and 21,644.88 is: 32,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954.64 : 71,931.96 = 21,644.88 : x
  2. Step 2: Convert to fraction form
    47,954.64/71,931.96 = 21,644.88/x
  3. Step 3: Cross multiply
    47,954.64x = 71,931.96 × 21,644.88
  4. Step 4: Simplify right side
    47,954.64x = 1,556,958,642.36
  5. Step 5: Solve for x
    x = 1,556,958,642.36/47,954.64
  6. Step 6: Final answer
    x = 32,467.32

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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.