Home / 61,620.48-85,037.40-36,145.12

Finding the Fourth Proportional to 61,620.48, 85,037.40 and 36,145.12

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Solution

The fourth proportional to 61,620.48, 85,037.40 and 36,145.12 is: 49,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.48 : 85,037.40 = 36,145.12 : x
  2. Step 2: Convert to fraction form
    61,620.48/85,037.40 = 36,145.12/x
  3. Step 3: Cross multiply
    61,620.48x = 85,037.40 × 36,145.12
  4. Step 4: Simplify right side
    61,620.48x = 3,073,687,027.49
  5. Step 5: Solve for x
    x = 3,073,687,027.49/61,620.48
  6. Step 6: Final answer
    x = 49,880.93

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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.