Home / 33,540.05-46,275.16-20,106.40

Finding the Fourth Proportional to 33,540.05, 46,275.16 and 20,106.40

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Solution

The fourth proportional to 33,540.05, 46,275.16 and 20,106.40 is: 27,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,540.05 : 46,275.16 = 20,106.40 : x
  2. Step 2: Convert to fraction form
    33,540.05/46,275.16 = 20,106.40/x
  3. Step 3: Cross multiply
    33,540.05x = 46,275.16 × 20,106.40
  4. Step 4: Simplify right side
    33,540.05x = 930,426,711.07
  5. Step 5: Solve for x
    x = 930,426,711.07/33,540.05
  6. Step 6: Final answer
    x = 27,740.77

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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.