Home / 35,942.88-49,605.56-21,795.68

Finding the Fourth Proportional to 35,942.88, 49,605.56 and 21,795.68

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Solution

The fourth proportional to 35,942.88, 49,605.56 and 21,795.68 is: 30,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,942.88 : 49,605.56 = 21,795.68 : x
  2. Step 2: Convert to fraction form
    35,942.88/49,605.56 = 21,795.68/x
  3. Step 3: Cross multiply
    35,942.88x = 49,605.56 × 21,795.68
  4. Step 4: Simplify right side
    35,942.88x = 1,081,186,911.98
  5. Step 5: Solve for x
    x = 1,081,186,911.98/35,942.88
  6. Step 6: Final answer
    x = 30,080.70

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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.