Home / 34,643.28-51,930.84-21,999.24

Finding the Fourth Proportional to 34,643.28, 51,930.84 and 21,999.24

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Solution

The fourth proportional to 34,643.28, 51,930.84 and 21,999.24 is: 32,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.28 : 51,930.84 = 21,999.24 : x
  2. Step 2: Convert to fraction form
    34,643.28/51,930.84 = 21,999.24/x
  3. Step 3: Cross multiply
    34,643.28x = 51,930.84 × 21,999.24
  4. Step 4: Simplify right side
    34,643.28x = 1,142,439,012.56
  5. Step 5: Solve for x
    x = 1,142,439,012.56/34,643.28
  6. Step 6: Final answer
    x = 32,977.22

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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.