Home / 40,455.05-60,643.38-15,475.86

Finding the Fourth Proportional to 40,455.05, 60,643.38 and 15,475.86

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Solution

The fourth proportional to 40,455.05, 60,643.38 and 15,475.86 is: 23,198.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.05 : 60,643.38 = 15,475.86 : x
  2. Step 2: Convert to fraction form
    40,455.05/60,643.38 = 15,475.86/x
  3. Step 3: Cross multiply
    40,455.05x = 60,643.38 × 15,475.86
  4. Step 4: Simplify right side
    40,455.05x = 938,508,516.84
  5. Step 5: Solve for x
    x = 938,508,516.84/40,455.05
  6. Step 6: Final answer
    x = 23,198.80

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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.