Home / 61,622.24-85,039.29-36,143.69

Finding the Fourth Proportional to 61,622.24, 85,039.29 and 36,143.69

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Solution

The fourth proportional to 61,622.24, 85,039.29 and 36,143.69 is: 49,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.24 : 85,039.29 = 36,143.69 : x
  2. Step 2: Convert to fraction form
    61,622.24/85,039.29 = 36,143.69/x
  3. Step 3: Cross multiply
    61,622.24x = 85,039.29 × 36,143.69
  4. Step 4: Simplify right side
    61,622.24x = 3,073,633,310.38
  5. Step 5: Solve for x
    x = 3,073,633,310.38/61,622.24
  6. Step 6: Final answer
    x = 49,878.64

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1.5x scale

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.