Home / 35,756.80-49,344.60-19,841.56

Finding the Fourth Proportional to 35,756.80, 49,344.60 and 19,841.56

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Solution

The fourth proportional to 35,756.80, 49,344.60 and 19,841.56 is: 27,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,756.80 : 49,344.60 = 19,841.56 : x
  2. Step 2: Convert to fraction form
    35,756.80/49,344.60 = 19,841.56/x
  3. Step 3: Cross multiply
    35,756.80x = 49,344.60 × 19,841.56
  4. Step 4: Simplify right side
    35,756.80x = 979,073,841.58
  5. Step 5: Solve for x
    x = 979,073,841.58/35,756.80
  6. Step 6: Final answer
    x = 27,381.47

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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.