Home / 33,280.12-45,924.75-18,939.52

Finding the Fourth Proportional to 33,280.12, 45,924.75 and 18,939.52

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Solution

The fourth proportional to 33,280.12, 45,924.75 and 18,939.52 is: 26,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,280.12 : 45,924.75 = 18,939.52 : x
  2. Step 2: Convert to fraction form
    33,280.12/45,924.75 = 18,939.52/x
  3. Step 3: Cross multiply
    33,280.12x = 45,924.75 × 18,939.52
  4. Step 4: Simplify right side
    33,280.12x = 869,792,606.31
  5. Step 5: Solve for x
    x = 869,792,606.31/33,280.12
  6. Step 6: Final answer
    x = 26,135.50

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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.