Home / 33,920.68-46,812.93-18,814.78

Finding the Fourth Proportional to 33,920.68, 46,812.93 and 18,814.78

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Solution

The fourth proportional to 33,920.68, 46,812.93 and 18,814.78 is: 25,965.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.68 : 46,812.93 = 18,814.78 : x
  2. Step 2: Convert to fraction form
    33,920.68/46,812.93 = 18,814.78/x
  3. Step 3: Cross multiply
    33,920.68x = 46,812.93 × 18,814.78
  4. Step 4: Simplify right side
    33,920.68x = 880,774,979.11
  5. Step 5: Solve for x
    x = 880,774,979.11/33,920.68
  6. Step 6: Final answer
    x = 25,965.72

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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.