Home / 33,629.08-46,358.32-21,527.78

Finding the Fourth Proportional to 33,629.08, 46,358.32 and 21,527.78

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Solution

The fourth proportional to 33,629.08, 46,358.32 and 21,527.78 is: 29,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,629.08 : 46,358.32 = 21,527.78 : x
  2. Step 2: Convert to fraction form
    33,629.08/46,358.32 = 21,527.78/x
  3. Step 3: Cross multiply
    33,629.08x = 46,358.32 × 21,527.78
  4. Step 4: Simplify right side
    33,629.08x = 997,991,714.13
  5. Step 5: Solve for x
    x = 997,991,714.13/33,629.08
  6. Step 6: Final answer
    x = 29,676.45

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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.