Home / 42,104.99-63,157.77-28,917.38

Finding the Fourth Proportional to 42,104.99, 63,157.77 and 28,917.38

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Solution

The fourth proportional to 42,104.99, 63,157.77 and 28,917.38 is: 43,376.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,104.99 : 63,157.77 = 28,917.38 : x
  2. Step 2: Convert to fraction form
    42,104.99/63,157.77 = 28,917.38/x
  3. Step 3: Cross multiply
    42,104.99x = 63,157.77 × 28,917.38
  4. Step 4: Simplify right side
    42,104.99x = 1,826,356,919.25
  5. Step 5: Solve for x
    x = 1,826,356,919.25/42,104.99
  6. Step 6: Final answer
    x = 43,376.26

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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.