Home / 35,432.12-48,892.78-21,817.98

Finding the Fourth Proportional to 35,432.12, 48,892.78 and 21,817.98

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Solution

The fourth proportional to 35,432.12, 48,892.78 and 21,817.98 is: 30,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,432.12 : 48,892.78 = 21,817.98 : x
  2. Step 2: Convert to fraction form
    35,432.12/48,892.78 = 21,817.98/x
  3. Step 3: Cross multiply
    35,432.12x = 48,892.78 × 21,817.98
  4. Step 4: Simplify right side
    35,432.12x = 1,066,741,696.18
  5. Step 5: Solve for x
    x = 1,066,741,696.18/35,432.12
  6. Step 6: Final answer
    x = 30,106.63

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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.