Home / 40,250.79-60,376.71-12,171.06

Finding the Fourth Proportional to 40,250.79, 60,376.71 and 12,171.06

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Solution

The fourth proportional to 40,250.79, 60,376.71 and 12,171.06 is: 18,256.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,250.79 : 60,376.71 = 12,171.06 : x
  2. Step 2: Convert to fraction form
    40,250.79/60,376.71 = 12,171.06/x
  3. Step 3: Cross multiply
    40,250.79x = 60,376.71 × 12,171.06
  4. Step 4: Simplify right side
    40,250.79x = 734,848,560.01
  5. Step 5: Solve for x
    x = 734,848,560.01/40,250.79
  6. Step 6: Final answer
    x = 18,256.75

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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.