Home / 35,757.08-49,342.03-20,642.84

Finding the Fourth Proportional to 35,757.08, 49,342.03 and 20,642.84

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Solution

The fourth proportional to 35,757.08, 49,342.03 and 20,642.84 is: 28,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.08 : 49,342.03 = 20,642.84 : x
  2. Step 2: Convert to fraction form
    35,757.08/49,342.03 = 20,642.84/x
  3. Step 3: Cross multiply
    35,757.08x = 49,342.03 × 20,642.84
  4. Step 4: Simplify right side
    35,757.08x = 1,018,559,332.25
  5. Step 5: Solve for x
    x = 1,018,559,332.25/35,757.08
  6. Step 6: Final answer
    x = 28,485.53

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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.