Home / 49,666.80-74,500.20-18,495.60

Finding the Fourth Proportional to 49,666.80, 74,500.20 and 18,495.60

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Solution

The fourth proportional to 49,666.80, 74,500.20 and 18,495.60 is: 27,743.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,666.80 : 74,500.20 = 18,495.60 : x
  2. Step 2: Convert to fraction form
    49,666.80/74,500.20 = 18,495.60/x
  3. Step 3: Cross multiply
    49,666.80x = 74,500.20 × 18,495.60
  4. Step 4: Simplify right side
    49,666.80x = 1,377,925,899.12
  5. Step 5: Solve for x
    x = 1,377,925,899.12/49,666.80
  6. Step 6: Final answer
    x = 27,743.40

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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.