Home / 40,244.72-60,346.80-13,942.40

Finding the Fourth Proportional to 40,244.72, 60,346.80 and 13,942.40

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Solution

The fourth proportional to 40,244.72, 60,346.80 and 13,942.40 is: 20,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,244.72 : 60,346.80 = 13,942.40 : x
  2. Step 2: Convert to fraction form
    40,244.72/60,346.80 = 13,942.40/x
  3. Step 3: Cross multiply
    40,244.72x = 60,346.80 × 13,942.40
  4. Step 4: Simplify right side
    40,244.72x = 841,379,224.32
  5. Step 5: Solve for x
    x = 841,379,224.32/40,244.72
  6. Step 6: Final answer
    x = 20,906.57

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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.