Home / 35,523.40-49,031.96-20,417.61

Finding the Fourth Proportional to 35,523.40, 49,031.96 and 20,417.61

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Solution

The fourth proportional to 35,523.40, 49,031.96 and 20,417.61 is: 28,181.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,523.40 : 49,031.96 = 20,417.61 : x
  2. Step 2: Convert to fraction form
    35,523.40/49,031.96 = 20,417.61/x
  3. Step 3: Cross multiply
    35,523.40x = 49,031.96 × 20,417.61
  4. Step 4: Simplify right side
    35,523.40x = 1,001,115,436.82
  5. Step 5: Solve for x
    x = 1,001,115,436.82/35,523.40
  6. Step 6: Final answer
    x = 28,181.86

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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.