Home / 35,258.88-52,817.81-21,211.17

Finding the Fourth Proportional to 35,258.88, 52,817.81 and 21,211.17

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Solution

The fourth proportional to 35,258.88, 52,817.81 and 21,211.17 is: 31,774.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,258.88 : 52,817.81 = 21,211.17 : x
  2. Step 2: Convert to fraction form
    35,258.88/52,817.81 = 21,211.17/x
  3. Step 3: Cross multiply
    35,258.88x = 52,817.81 × 21,211.17
  4. Step 4: Simplify right side
    35,258.88x = 1,120,327,440.88
  5. Step 5: Solve for x
    x = 1,120,327,440.88/35,258.88
  6. Step 6: Final answer
    x = 31,774.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.