Home / 61,622.83-85,039.98-36,129.85

Finding the Fourth Proportional to 61,622.83, 85,039.98 and 36,129.85

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Solution

The fourth proportional to 61,622.83, 85,039.98 and 36,129.85 is: 49,859.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,622.83 : 85,039.98 = 36,129.85 : x
  2. Step 2: Convert to fraction form
    61,622.83/85,039.98 = 36,129.85/x
  3. Step 3: Cross multiply
    61,622.83x = 85,039.98 × 36,129.85
  4. Step 4: Simplify right side
    61,622.83x = 3,072,481,373.32
  5. Step 5: Solve for x
    x = 3,072,481,373.32/61,622.83
  6. Step 6: Final answer
    x = 49,859.47

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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.