Home / 49,403.90-74,082.78-17,809.80

Finding the Fourth Proportional to 49,403.90, 74,082.78 and 17,809.80

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Solution

The fourth proportional to 49,403.90, 74,082.78 and 17,809.80 is: 26,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,403.90 : 74,082.78 = 17,809.80 : x
  2. Step 2: Convert to fraction form
    49,403.90/74,082.78 = 17,809.80/x
  3. Step 3: Cross multiply
    49,403.90x = 74,082.78 × 17,809.80
  4. Step 4: Simplify right side
    49,403.90x = 1,319,399,035.78
  5. Step 5: Solve for x
    x = 1,319,399,035.78/49,403.90
  6. Step 6: Final answer
    x = 26,706.38

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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.