Home / 33,468.21-46,148.81-21,515.04

Finding the Fourth Proportional to 33,468.21, 46,148.81 and 21,515.04

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Solution

The fourth proportional to 33,468.21, 46,148.81 and 21,515.04 is: 29,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,468.21 : 46,148.81 = 21,515.04 : x
  2. Step 2: Convert to fraction form
    33,468.21/46,148.81 = 21,515.04/x
  3. Step 3: Cross multiply
    33,468.21x = 46,148.81 × 21,515.04
  4. Step 4: Simplify right side
    33,468.21x = 992,893,385.53
  5. Step 5: Solve for x
    x = 992,893,385.53/33,468.21
  6. Step 6: Final answer
    x = 29,666.76

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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.