Home / 35,820.40-49,424.32-21,672.96

Finding the Fourth Proportional to 35,820.40, 49,424.32 and 21,672.96

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Solution

The fourth proportional to 35,820.40, 49,424.32 and 21,672.96 is: 29,903.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,820.40 : 49,424.32 = 21,672.96 : x
  2. Step 2: Convert to fraction form
    35,820.40/49,424.32 = 21,672.96/x
  3. Step 3: Cross multiply
    35,820.40x = 49,424.32 × 21,672.96
  4. Step 4: Simplify right side
    35,820.40x = 1,071,171,310.39
  5. Step 5: Solve for x
    x = 1,071,171,310.39/35,820.40
  6. Step 6: Final answer
    x = 29,903.95

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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.