Home / 52,157.45-71,977.31-28,284.12

Finding the Fourth Proportional to 52,157.45, 71,977.31 and 28,284.12

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Solution

The fourth proportional to 52,157.45, 71,977.31 and 28,284.12 is: 39,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,157.45 : 71,977.31 = 28,284.12 : x
  2. Step 2: Convert to fraction form
    52,157.45/71,977.31 = 28,284.12/x
  3. Step 3: Cross multiply
    52,157.45x = 71,977.31 × 28,284.12
  4. Step 4: Simplify right side
    52,157.45x = 2,035,814,731.90
  5. Step 5: Solve for x
    x = 2,035,814,731.90/52,157.45
  6. Step 6: Final answer
    x = 39,032.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.