Home / 35,555.03-49,063.90-21,231.01

Finding the Fourth Proportional to 35,555.03, 49,063.90 and 21,231.01

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Solution

The fourth proportional to 35,555.03, 49,063.90 and 21,231.01 is: 29,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,555.03 : 49,063.90 = 21,231.01 : x
  2. Step 2: Convert to fraction form
    35,555.03/49,063.90 = 21,231.01/x
  3. Step 3: Cross multiply
    35,555.03x = 49,063.90 × 21,231.01
  4. Step 4: Simplify right side
    35,555.03x = 1,041,676,151.54
  5. Step 5: Solve for x
    x = 1,041,676,151.54/35,555.03
  6. Step 6: Final answer
    x = 29,297.57

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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.