Home / 38,342.34-57,567.78-21,735

Finding the Fourth Proportional to 38,342.34, 57,567.78 and 21,735

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Solution

The fourth proportional to 38,342.34, 57,567.78 and 21,735 is: 32,633.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.34 : 57,567.78 = 21,735 : x
  2. Step 2: Convert to fraction form
    38,342.34/57,567.78 = 21,735/x
  3. Step 3: Cross multiply
    38,342.34x = 57,567.78 × 21,735
  4. Step 4: Simplify right side
    38,342.34x = 1,251,235,698.30
  5. Step 5: Solve for x
    x = 1,251,235,698.30/38,342.34
  6. Step 6: Final answer
    x = 32,633.26

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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.