Home / 33,558.78-46,292.90-20,807.66

Finding the Fourth Proportional to 33,558.78, 46,292.90 and 20,807.66

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Solution

The fourth proportional to 33,558.78, 46,292.90 and 20,807.66 is: 28,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,558.78 : 46,292.90 = 20,807.66 : x
  2. Step 2: Convert to fraction form
    33,558.78/46,292.90 = 20,807.66/x
  3. Step 3: Cross multiply
    33,558.78x = 46,292.90 × 20,807.66
  4. Step 4: Simplify right side
    33,558.78x = 963,246,923.61
  5. Step 5: Solve for x
    x = 963,246,923.61/33,558.78
  6. Step 6: Final answer
    x = 28,703.28

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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.