Home / 49,622.10-74,433.15-21,555.60

Finding the Fourth Proportional to 49,622.10, 74,433.15 and 21,555.60

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Solution

The fourth proportional to 49,622.10, 74,433.15 and 21,555.60 is: 32,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,622.10 : 74,433.15 = 21,555.60 : x
  2. Step 2: Convert to fraction form
    49,622.10/74,433.15 = 21,555.60/x
  3. Step 3: Cross multiply
    49,622.10x = 74,433.15 × 21,555.60
  4. Step 4: Simplify right side
    49,622.10x = 1,604,451,208.14
  5. Step 5: Solve for x
    x = 1,604,451,208.14/49,622.10
  6. Step 6: Final answer
    x = 32,333.40

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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.