Home / 35,918.82-53,902.89-12,545.28

Finding the Fourth Proportional to 35,918.82, 53,902.89 and 12,545.28

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Solution

The fourth proportional to 35,918.82, 53,902.89 and 12,545.28 is: 18,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.82 : 53,902.89 = 12,545.28 : x
  2. Step 2: Convert to fraction form
    35,918.82/53,902.89 = 12,545.28/x
  3. Step 3: Cross multiply
    35,918.82x = 53,902.89 × 12,545.28
  4. Step 4: Simplify right side
    35,918.82x = 676,226,847.86
  5. Step 5: Solve for x
    x = 676,226,847.86/35,918.82
  6. Step 6: Final answer
    x = 18,826.53

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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.