Home / 35,345.92-53,026.17-11,971.75

Finding the Fourth Proportional to 35,345.92, 53,026.17 and 11,971.75

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Solution

The fourth proportional to 35,345.92, 53,026.17 and 11,971.75 is: 17,960.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,345.92 : 53,026.17 = 11,971.75 : x
  2. Step 2: Convert to fraction form
    35,345.92/53,026.17 = 11,971.75/x
  3. Step 3: Cross multiply
    35,345.92x = 53,026.17 × 11,971.75
  4. Step 4: Simplify right side
    35,345.92x = 634,816,050.70
  5. Step 5: Solve for x
    x = 634,816,050.70/35,345.92
  6. Step 6: Final answer
    x = 17,960.09

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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.