Home / 33,551.28-46,299.60-21,615.12

Finding the Fourth Proportional to 33,551.28, 46,299.60 and 21,615.12

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Solution

The fourth proportional to 33,551.28, 46,299.60 and 21,615.12 is: 29,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,551.28 : 46,299.60 = 21,615.12 : x
  2. Step 2: Convert to fraction form
    33,551.28/46,299.60 = 21,615.12/x
  3. Step 3: Cross multiply
    33,551.28x = 46,299.60 × 21,615.12
  4. Step 4: Simplify right side
    33,551.28x = 1,000,771,409.95
  5. Step 5: Solve for x
    x = 1,000,771,409.95/33,551.28
  6. Step 6: Final answer
    x = 29,828.11

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1.5x scale

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.