Home / 33,646.64-46,382.55-21,545.78

Finding the Fourth Proportional to 33,646.64, 46,382.55 and 21,545.78

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Solution

The fourth proportional to 33,646.64, 46,382.55 and 21,545.78 is: 29,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,646.64 : 46,382.55 = 21,545.78 : x
  2. Step 2: Convert to fraction form
    33,646.64/46,382.55 = 21,545.78/x
  3. Step 3: Cross multiply
    33,646.64x = 46,382.55 × 21,545.78
  4. Step 4: Simplify right side
    33,646.64x = 999,348,218.14
  5. Step 5: Solve for x
    x = 999,348,218.14/33,646.64
  6. Step 6: Final answer
    x = 29,701.28

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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.