Home / 46,388.56-69,591.52-21,089.92

Finding the Fourth Proportional to 46,388.56, 69,591.52 and 21,089.92

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Solution

The fourth proportional to 46,388.56, 69,591.52 and 21,089.92 is: 31,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,388.56 : 69,591.52 = 21,089.92 : x
  2. Step 2: Convert to fraction form
    46,388.56/69,591.52 = 21,089.92/x
  3. Step 3: Cross multiply
    46,388.56x = 69,591.52 × 21,089.92
  4. Step 4: Simplify right side
    46,388.56x = 1,467,679,589.48
  5. Step 5: Solve for x
    x = 1,467,679,589.48/46,388.56
  6. Step 6: Final answer
    x = 31,638.83

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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.