Home / 49,449.92-74,174.16-12,010.28

Finding the Fourth Proportional to 49,449.92, 74,174.16 and 12,010.28

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Solution

The fourth proportional to 49,449.92, 74,174.16 and 12,010.28 is: 18,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,449.92 : 74,174.16 = 12,010.28 : x
  2. Step 2: Convert to fraction form
    49,449.92/74,174.16 = 12,010.28/x
  3. Step 3: Cross multiply
    49,449.92x = 74,174.16 × 12,010.28
  4. Step 4: Simplify right side
    49,449.92x = 890,852,430.36
  5. Step 5: Solve for x
    x = 890,852,430.36/49,449.92
  6. Step 6: Final answer
    x = 18,015.25

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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.