Home / 61,145.25-84,380.43-35,652.69

Finding the Fourth Proportional to 61,145.25, 84,380.43 and 35,652.69

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Solution

The fourth proportional to 61,145.25, 84,380.43 and 35,652.69 is: 49,200.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,145.25 : 84,380.43 = 35,652.69 : x
  2. Step 2: Convert to fraction form
    61,145.25/84,380.43 = 35,652.69/x
  3. Step 3: Cross multiply
    61,145.25x = 84,380.43 × 35,652.69
  4. Step 4: Simplify right side
    61,145.25x = 3,008,389,312.86
  5. Step 5: Solve for x
    x = 3,008,389,312.86/61,145.25
  6. Step 6: Final answer
    x = 49,200.70

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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.