Home / 21,084.33-31,631.30-7,232.49

Finding the Fourth Proportional to 21,084.33, 31,631.30 and 7,232.49

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Solution

The fourth proportional to 21,084.33, 31,631.30 and 7,232.49 is: 10,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,084.33 : 31,631.30 = 7,232.49 : x
  2. Step 2: Convert to fraction form
    21,084.33/31,631.30 = 7,232.49/x
  3. Step 3: Cross multiply
    21,084.33x = 31,631.30 × 7,232.49
  4. Step 4: Simplify right side
    21,084.33x = 228,773,024.77
  5. Step 5: Solve for x
    x = 228,773,024.77/21,084.33
  6. Step 6: Final answer
    x = 10,850.38

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1.5x scale

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.