Home / 42,166.76-63,261.09-12,584.59

Finding the Fourth Proportional to 42,166.76, 63,261.09 and 12,584.59

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Solution

The fourth proportional to 42,166.76, 63,261.09 and 12,584.59 is: 18,880.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,166.76 : 63,261.09 = 12,584.59 : x
  2. Step 2: Convert to fraction form
    42,166.76/63,261.09 = 12,584.59/x
  3. Step 3: Cross multiply
    42,166.76x = 63,261.09 × 12,584.59
  4. Step 4: Simplify right side
    42,166.76x = 796,115,185.01
  5. Step 5: Solve for x
    x = 796,115,185.01/42,166.76
  6. Step 6: Final answer
    x = 18,880.16

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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.