Home / 35,566.80-53,358.12-13,380.36

Finding the Fourth Proportional to 35,566.80, 53,358.12 and 13,380.36

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Solution

The fourth proportional to 35,566.80, 53,358.12 and 13,380.36 is: 20,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,566.80 : 53,358.12 = 13,380.36 : x
  2. Step 2: Convert to fraction form
    35,566.80/53,358.12 = 13,380.36/x
  3. Step 3: Cross multiply
    35,566.80x = 53,358.12 × 13,380.36
  4. Step 4: Simplify right side
    35,566.80x = 713,950,854.52
  5. Step 5: Solve for x
    x = 713,950,854.52/35,566.80
  6. Step 6: Final answer
    x = 20,073.52

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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.