Home / 35,491.26-53,231.13-10,861.50

Finding the Fourth Proportional to 35,491.26, 53,231.13 and 10,861.50

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Solution

The fourth proportional to 35,491.26, 53,231.13 and 10,861.50 is: 16,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,491.26 : 53,231.13 = 10,861.50 : x
  2. Step 2: Convert to fraction form
    35,491.26/53,231.13 = 10,861.50/x
  3. Step 3: Cross multiply
    35,491.26x = 53,231.13 × 10,861.50
  4. Step 4: Simplify right side
    35,491.26x = 578,169,918.50
  5. Step 5: Solve for x
    x = 578,169,918.50/35,491.26
  6. Step 6: Final answer
    x = 16,290.49

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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.