Home / 33,428.49-46,152.28-21,512.52

Finding the Fourth Proportional to 33,428.49, 46,152.28 and 21,512.52

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Solution

The fourth proportional to 33,428.49, 46,152.28 and 21,512.52 is: 29,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.49 : 46,152.28 = 21,512.52 : x
  2. Step 2: Convert to fraction form
    33,428.49/46,152.28 = 21,512.52/x
  3. Step 3: Cross multiply
    33,428.49x = 46,152.28 × 21,512.52
  4. Step 4: Simplify right side
    33,428.49x = 992,851,846.55
  5. Step 5: Solve for x
    x = 992,851,846.55/33,428.49
  6. Step 6: Final answer
    x = 29,700.77

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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.