Home / 35,961.68-53,905.08-20,143.51

Finding the Fourth Proportional to 35,961.68, 53,905.08 and 20,143.51

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Solution

The fourth proportional to 35,961.68, 53,905.08 and 20,143.51 is: 30,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.68 : 53,905.08 = 20,143.51 : x
  2. Step 2: Convert to fraction form
    35,961.68/53,905.08 = 20,143.51/x
  3. Step 3: Cross multiply
    35,961.68x = 53,905.08 × 20,143.51
  4. Step 4: Simplify right side
    35,961.68x = 1,085,837,518.03
  5. Step 5: Solve for x
    x = 1,085,837,518.03/35,961.68
  6. Step 6: Final answer
    x = 30,194.29

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1.5x scale

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.