Home / 35,861.70-53,792.55-30,159.30

Finding the Fourth Proportional to 35,861.70, 53,792.55 and 30,159.30

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Solution

The fourth proportional to 35,861.70, 53,792.55 and 30,159.30 is: 45,238.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,861.70 : 53,792.55 = 30,159.30 : x
  2. Step 2: Convert to fraction form
    35,861.70/53,792.55 = 30,159.30/x
  3. Step 3: Cross multiply
    35,861.70x = 53,792.55 × 30,159.30
  4. Step 4: Simplify right side
    35,861.70x = 1,622,345,653.22
  5. Step 5: Solve for x
    x = 1,622,345,653.22/35,861.70
  6. Step 6: Final answer
    x = 45,238.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.