Home / 33,074.52-45,643.87-18,931.92

Finding the Fourth Proportional to 33,074.52, 45,643.87 and 18,931.92

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Solution

The fourth proportional to 33,074.52, 45,643.87 and 18,931.92 is: 26,126.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,074.52 : 45,643.87 = 18,931.92 : x
  2. Step 2: Convert to fraction form
    33,074.52/45,643.87 = 18,931.92/x
  3. Step 3: Cross multiply
    33,074.52x = 45,643.87 × 18,931.92
  4. Step 4: Simplify right side
    33,074.52x = 864,126,095.33
  5. Step 5: Solve for x
    x = 864,126,095.33/33,074.52
  6. Step 6: Final answer
    x = 26,126.64

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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.