Home / 42,834.90-63,945.77-37,231.40

Finding the Fourth Proportional to 42,834.90, 63,945.77 and 37,231.40

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Solution

The fourth proportional to 42,834.90, 63,945.77 and 37,231.40 is: 55,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,834.90 : 63,945.77 = 37,231.40 : x
  2. Step 2: Convert to fraction form
    42,834.90/63,945.77 = 37,231.40/x
  3. Step 3: Cross multiply
    42,834.90x = 63,945.77 × 37,231.40
  4. Step 4: Simplify right side
    42,834.90x = 2,380,790,794.12
  5. Step 5: Solve for x
    x = 2,380,790,794.12/42,834.90
  6. Step 6: Final answer
    x = 55,580.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.