Home / 35,108.32-52,646.64-12,917.92

Finding the Fourth Proportional to 35,108.32, 52,646.64 and 12,917.92

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Solution

The fourth proportional to 35,108.32, 52,646.64 and 12,917.92 is: 19,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,108.32 : 52,646.64 = 12,917.92 : x
  2. Step 2: Convert to fraction form
    35,108.32/52,646.64 = 12,917.92/x
  3. Step 3: Cross multiply
    35,108.32x = 52,646.64 × 12,917.92
  4. Step 4: Simplify right side
    35,108.32x = 680,085,083.79
  5. Step 5: Solve for x
    x = 680,085,083.79/35,108.32
  6. Step 6: Final answer
    x = 19,371.05

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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.