Home / 47,782.06-71,648.31-21,464.32

Finding the Fourth Proportional to 47,782.06, 71,648.31 and 21,464.32

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Solution

The fourth proportional to 47,782.06, 71,648.31 and 21,464.32 is: 32,185.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782.06 : 71,648.31 = 21,464.32 : x
  2. Step 2: Convert to fraction form
    47,782.06/71,648.31 = 21,464.32/x
  3. Step 3: Cross multiply
    47,782.06x = 71,648.31 × 21,464.32
  4. Step 4: Simplify right side
    47,782.06x = 1,537,882,253.30
  5. Step 5: Solve for x
    x = 1,537,882,253.30/47,782.06
  6. Step 6: Final answer
    x = 32,185.35

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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.