Home / 45,019.23-67,528.89-11,739.26

Finding the Fourth Proportional to 45,019.23, 67,528.89 and 11,739.26

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Solution

The fourth proportional to 45,019.23, 67,528.89 and 11,739.26 is: 17,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.23 : 67,528.89 = 11,739.26 : x
  2. Step 2: Convert to fraction form
    45,019.23/67,528.89 = 11,739.26/x
  3. Step 3: Cross multiply
    45,019.23x = 67,528.89 × 11,739.26
  4. Step 4: Simplify right side
    45,019.23x = 792,739,366.04
  5. Step 5: Solve for x
    x = 792,739,366.04/45,019.23
  6. Step 6: Final answer
    x = 17,608.91

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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.