Home / 45,019.10-67,528.70-11,739.14

Finding the Fourth Proportional to 45,019.10, 67,528.70 and 11,739.14

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Solution

The fourth proportional to 45,019.10, 67,528.70 and 11,739.14 is: 17,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.10 : 67,528.70 = 11,739.14 : x
  2. Step 2: Convert to fraction form
    45,019.10/67,528.70 = 11,739.14/x
  3. Step 3: Cross multiply
    45,019.10x = 67,528.70 × 11,739.14
  4. Step 4: Simplify right side
    45,019.10x = 792,728,863.32
  5. Step 5: Solve for x
    x = 792,728,863.32/45,019.10
  6. Step 6: Final answer
    x = 17,608.72

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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.