Home / 35,151.22-52,747.62-12,980.26

Finding the Fourth Proportional to 35,151.22, 52,747.62 and 12,980.26

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Solution

The fourth proportional to 35,151.22, 52,747.62 and 12,980.26 is: 19,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,151.22 : 52,747.62 = 12,980.26 : x
  2. Step 2: Convert to fraction form
    35,151.22/52,747.62 = 12,980.26/x
  3. Step 3: Cross multiply
    35,151.22x = 52,747.62 × 12,980.26
  4. Step 4: Simplify right side
    35,151.22x = 684,677,821.98
  5. Step 5: Solve for x
    x = 684,677,821.98/35,151.22
  6. Step 6: Final answer
    x = 19,478.07

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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.