Home / 33,590.16-46,358.82-21,688.20

Finding the Fourth Proportional to 33,590.16, 46,358.82 and 21,688.20

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Solution

The fourth proportional to 33,590.16, 46,358.82 and 21,688.20 is: 29,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,590.16 : 46,358.82 = 21,688.20 : x
  2. Step 2: Convert to fraction form
    33,590.16/46,358.82 = 21,688.20/x
  3. Step 3: Cross multiply
    33,590.16x = 46,358.82 × 21,688.20
  4. Step 4: Simplify right side
    33,590.16x = 1,005,439,359.92
  5. Step 5: Solve for x
    x = 1,005,439,359.92/33,590.16
  6. Step 6: Final answer
    x = 29,932.56

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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.