Home / 35,680.88-49,239.70-19,765.02

Finding the Fourth Proportional to 35,680.88, 49,239.70 and 19,765.02

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Solution

The fourth proportional to 35,680.88, 49,239.70 and 19,765.02 is: 27,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.88 : 49,239.70 = 19,765.02 : x
  2. Step 2: Convert to fraction form
    35,680.88/49,239.70 = 19,765.02/x
  3. Step 3: Cross multiply
    35,680.88x = 49,239.70 × 19,765.02
  4. Step 4: Simplify right side
    35,680.88x = 973,223,655.29
  5. Step 5: Solve for x
    x = 973,223,655.29/35,680.88
  6. Step 6: Final answer
    x = 27,275.78

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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.