Home / 35,536.01-49,039.67-20,431.62

Finding the Fourth Proportional to 35,536.01, 49,039.67 and 20,431.62

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Solution

The fourth proportional to 35,536.01, 49,039.67 and 20,431.62 is: 28,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,536.01 : 49,039.67 = 20,431.62 : x
  2. Step 2: Convert to fraction form
    35,536.01/49,039.67 = 20,431.62/x
  3. Step 3: Cross multiply
    35,536.01x = 49,039.67 × 20,431.62
  4. Step 4: Simplify right side
    35,536.01x = 1,001,959,800.21
  5. Step 5: Solve for x
    x = 1,001,959,800.21/35,536.01
  6. Step 6: Final answer
    x = 28,195.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.