Home / 35,435.52-53,138.40-12,063.36

Finding the Fourth Proportional to 35,435.52, 53,138.40 and 12,063.36

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Solution

The fourth proportional to 35,435.52, 53,138.40 and 12,063.36 is: 18,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,435.52 : 53,138.40 = 12,063.36 : x
  2. Step 2: Convert to fraction form
    35,435.52/53,138.40 = 12,063.36/x
  3. Step 3: Cross multiply
    35,435.52x = 53,138.40 × 12,063.36
  4. Step 4: Simplify right side
    35,435.52x = 641,027,649.02
  5. Step 5: Solve for x
    x = 641,027,649.02/35,435.52
  6. Step 6: Final answer
    x = 18,089.97

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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.