Home / 52,431.94-78,659.60-19,151.96

Finding the Fourth Proportional to 52,431.94, 78,659.60 and 19,151.96

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Solution

The fourth proportional to 52,431.94, 78,659.60 and 19,151.96 is: 28,732.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.94 : 78,659.60 = 19,151.96 : x
  2. Step 2: Convert to fraction form
    52,431.94/78,659.60 = 19,151.96/x
  3. Step 3: Cross multiply
    52,431.94x = 78,659.60 × 19,151.96
  4. Step 4: Simplify right side
    52,431.94x = 1,506,485,512.82
  5. Step 5: Solve for x
    x = 1,506,485,512.82/52,431.94
  6. Step 6: Final answer
    x = 28,732.21

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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.