Home / 35,985.18-49,664.01-20,676.48

Finding the Fourth Proportional to 35,985.18, 49,664.01 and 20,676.48

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Solution

The fourth proportional to 35,985.18, 49,664.01 and 20,676.48 is: 28,536.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,985.18 : 49,664.01 = 20,676.48 : x
  2. Step 2: Convert to fraction form
    35,985.18/49,664.01 = 20,676.48/x
  3. Step 3: Cross multiply
    35,985.18x = 49,664.01 × 20,676.48
  4. Step 4: Simplify right side
    35,985.18x = 1,026,876,909.48
  5. Step 5: Solve for x
    x = 1,026,876,909.48/35,985.18
  6. Step 6: Final answer
    x = 28,536.11

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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.