Home / 35,517.92-53,263.03-13,319.20

Finding the Fourth Proportional to 35,517.92, 53,263.03 and 13,319.20

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Solution

The fourth proportional to 35,517.92, 53,263.03 and 13,319.20 is: 19,973.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.92 : 53,263.03 = 13,319.20 : x
  2. Step 2: Convert to fraction form
    35,517.92/53,263.03 = 13,319.20/x
  3. Step 3: Cross multiply
    35,517.92x = 53,263.03 × 13,319.20
  4. Step 4: Simplify right side
    35,517.92x = 709,420,949.18
  5. Step 5: Solve for x
    x = 709,420,949.18/35,517.92
  6. Step 6: Final answer
    x = 19,973.61

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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.