Home / 32,960.79-45,506.84-21,650.36

Finding the Fourth Proportional to 32,960.79, 45,506.84 and 21,650.36

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Solution

The fourth proportional to 32,960.79, 45,506.84 and 21,650.36 is: 29,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,960.79 : 45,506.84 = 21,650.36 : x
  2. Step 2: Convert to fraction form
    32,960.79/45,506.84 = 21,650.36/x
  3. Step 3: Cross multiply
    32,960.79x = 45,506.84 × 21,650.36
  4. Step 4: Simplify right side
    32,960.79x = 985,239,132.68
  5. Step 5: Solve for x
    x = 985,239,132.68/32,960.79
  6. Step 6: Final answer
    x = 29,891.25

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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.