Home / 49,378.80-74,068.20-33,711.60

Finding the Fourth Proportional to 49,378.80, 74,068.20 and 33,711.60

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Solution

The fourth proportional to 49,378.80, 74,068.20 and 33,711.60 is: 50,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.80 : 74,068.20 = 33,711.60 : x
  2. Step 2: Convert to fraction form
    49,378.80/74,068.20 = 33,711.60/x
  3. Step 3: Cross multiply
    49,378.80x = 74,068.20 × 33,711.60
  4. Step 4: Simplify right side
    49,378.80x = 2,496,957,531.12
  5. Step 5: Solve for x
    x = 2,496,957,531.12/49,378.80
  6. Step 6: Final answer
    x = 50,567.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.