Home / 44,139.93-66,213.98-12,550.65

Finding the Fourth Proportional to 44,139.93, 66,213.98 and 12,550.65

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Solution

The fourth proportional to 44,139.93, 66,213.98 and 12,550.65 is: 18,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,139.93 : 66,213.98 = 12,550.65 : x
  2. Step 2: Convert to fraction form
    44,139.93/66,213.98 = 12,550.65/x
  3. Step 3: Cross multiply
    44,139.93x = 66,213.98 × 12,550.65
  4. Step 4: Simplify right side
    44,139.93x = 831,028,425.33
  5. Step 5: Solve for x
    x = 831,028,425.33/44,139.93
  6. Step 6: Final answer
    x = 18,827.14

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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.