Home / 35,373.88-48,822.89-20,276.66

Finding the Fourth Proportional to 35,373.88, 48,822.89 and 20,276.66

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Solution

The fourth proportional to 35,373.88, 48,822.89 and 20,276.66 is: 27,985.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.88 : 48,822.89 = 20,276.66 : x
  2. Step 2: Convert to fraction form
    35,373.88/48,822.89 = 20,276.66/x
  3. Step 3: Cross multiply
    35,373.88x = 48,822.89 × 20,276.66
  4. Step 4: Simplify right side
    35,373.88x = 989,965,039.36
  5. Step 5: Solve for x
    x = 989,965,039.36/35,373.88
  6. Step 6: Final answer
    x = 27,985.76

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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.