Home / 35,645.97-49,193.73-20,538.36

Finding the Fourth Proportional to 35,645.97, 49,193.73 and 20,538.36

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Solution

The fourth proportional to 35,645.97, 49,193.73 and 20,538.36 is: 28,344.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.97 : 49,193.73 = 20,538.36 : x
  2. Step 2: Convert to fraction form
    35,645.97/49,193.73 = 20,538.36/x
  3. Step 3: Cross multiply
    35,645.97x = 49,193.73 × 20,538.36
  4. Step 4: Simplify right side
    35,645.97x = 1,010,358,536.48
  5. Step 5: Solve for x
    x = 1,010,358,536.48/35,645.97
  6. Step 6: Final answer
    x = 28,344.26

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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.