Home / 47,907.10-71,860.65-21,619.36

Finding the Fourth Proportional to 47,907.10, 71,860.65 and 21,619.36

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Solution

The fourth proportional to 47,907.10, 71,860.65 and 21,619.36 is: 32,429.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.10 : 71,860.65 = 21,619.36 : x
  2. Step 2: Convert to fraction form
    47,907.10/71,860.65 = 21,619.36/x
  3. Step 3: Cross multiply
    47,907.10x = 71,860.65 × 21,619.36
  4. Step 4: Simplify right side
    47,907.10x = 1,553,581,392.55
  5. Step 5: Solve for x
    x = 1,553,581,392.55/47,907.10
  6. Step 6: Final answer
    x = 32,429.04

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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.