Home / 35,270.70-52,909.64-10,311.21

Finding the Fourth Proportional to 35,270.70, 52,909.64 and 10,311.21

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Solution

The fourth proportional to 35,270.70, 52,909.64 and 10,311.21 is: 15,467.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,270.70 : 52,909.64 = 10,311.21 : x
  2. Step 2: Convert to fraction form
    35,270.70/52,909.64 = 10,311.21/x
  3. Step 3: Cross multiply
    35,270.70x = 52,909.64 × 10,311.21
  4. Step 4: Simplify right side
    35,270.70x = 545,562,357.51
  5. Step 5: Solve for x
    x = 545,562,357.51/35,270.70
  6. Step 6: Final answer
    x = 15,467.86

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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.