Home / 36,022.64-49,711.12-20,106.95

Finding the Fourth Proportional to 36,022.64, 49,711.12 and 20,106.95

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Solution

The fourth proportional to 36,022.64, 49,711.12 and 20,106.95 is: 27,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.64 : 49,711.12 = 20,106.95 : x
  2. Step 2: Convert to fraction form
    36,022.64/49,711.12 = 20,106.95/x
  3. Step 3: Cross multiply
    36,022.64x = 49,711.12 × 20,106.95
  4. Step 4: Simplify right side
    36,022.64x = 999,539,191.40
  5. Step 5: Solve for x
    x = 999,539,191.40/36,022.64
  6. Step 6: Final answer
    x = 27,747.53

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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.