Home / 44,118.64-66,178.32-12,954.40

Finding the Fourth Proportional to 44,118.64, 66,178.32 and 12,954.40

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Solution

The fourth proportional to 44,118.64, 66,178.32 and 12,954.40 is: 19,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,118.64 : 66,178.32 = 12,954.40 : x
  2. Step 2: Convert to fraction form
    44,118.64/66,178.32 = 12,954.40/x
  3. Step 3: Cross multiply
    44,118.64x = 66,178.32 × 12,954.40
  4. Step 4: Simplify right side
    44,118.64x = 857,300,428.61
  5. Step 5: Solve for x
    x = 857,300,428.61/44,118.64
  6. Step 6: Final answer
    x = 19,431.71

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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.