Home / 44,076.96-66,115.44-12,912.21

Finding the Fourth Proportional to 44,076.96, 66,115.44 and 12,912.21

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Solution

The fourth proportional to 44,076.96, 66,115.44 and 12,912.21 is: 19,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,076.96 : 66,115.44 = 12,912.21 : x
  2. Step 2: Convert to fraction form
    44,076.96/66,115.44 = 12,912.21/x
  3. Step 3: Cross multiply
    44,076.96x = 66,115.44 × 12,912.21
  4. Step 4: Simplify right side
    44,076.96x = 853,696,445.52
  5. Step 5: Solve for x
    x = 853,696,445.52/44,076.96
  6. Step 6: Final answer
    x = 19,368.32

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1.5x scale

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.