Home / 35,655.42-49,205.21-21,330.03

Finding the Fourth Proportional to 35,655.42, 49,205.21 and 21,330.03

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Solution

The fourth proportional to 35,655.42, 49,205.21 and 21,330.03 is: 29,435.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.42 : 49,205.21 = 21,330.03 : x
  2. Step 2: Convert to fraction form
    35,655.42/49,205.21 = 21,330.03/x
  3. Step 3: Cross multiply
    35,655.42x = 49,205.21 × 21,330.03
  4. Step 4: Simplify right side
    35,655.42x = 1,049,548,498.81
  5. Step 5: Solve for x
    x = 1,049,548,498.81/35,655.42
  6. Step 6: Final answer
    x = 29,435.88

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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.