Home / 33,340.68-45,988.46-21,385.08

Finding the Fourth Proportional to 33,340.68, 45,988.46 and 21,385.08

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Solution

The fourth proportional to 33,340.68, 45,988.46 and 21,385.08 is: 29,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,340.68 : 45,988.46 = 21,385.08 : x
  2. Step 2: Convert to fraction form
    33,340.68/45,988.46 = 21,385.08/x
  3. Step 3: Cross multiply
    33,340.68x = 45,988.46 × 21,385.08
  4. Step 4: Simplify right side
    33,340.68x = 983,466,896.18
  5. Step 5: Solve for x
    x = 983,466,896.18/33,340.68
  6. Step 6: Final answer
    x = 29,497.51

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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.