Home / 47,851.25-71,776.91-21,525.24

Finding the Fourth Proportional to 47,851.25, 71,776.91 and 21,525.24

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Solution

The fourth proportional to 47,851.25, 71,776.91 and 21,525.24 is: 32,287.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,851.25 : 71,776.91 = 21,525.24 : x
  2. Step 2: Convert to fraction form
    47,851.25/71,776.91 = 21,525.24/x
  3. Step 3: Cross multiply
    47,851.25x = 71,776.91 × 21,525.24
  4. Step 4: Simplify right side
    47,851.25x = 1,545,015,106.58
  5. Step 5: Solve for x
    x = 1,545,015,106.58/47,851.25
  6. Step 6: Final answer
    x = 32,287.87

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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.