Home / 45,019.48-67,529.27-11,739.51

Finding the Fourth Proportional to 45,019.48, 67,529.27 and 11,739.51

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Solution

The fourth proportional to 45,019.48, 67,529.27 and 11,739.51 is: 17,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,019.48 : 67,529.27 = 11,739.51 : x
  2. Step 2: Convert to fraction form
    45,019.48/67,529.27 = 11,739.51/x
  3. Step 3: Cross multiply
    45,019.48x = 67,529.27 × 11,739.51
  4. Step 4: Simplify right side
    45,019.48x = 792,760,540.46
  5. Step 5: Solve for x
    x = 792,760,540.46/45,019.48
  6. Step 6: Final answer
    x = 17,609.28

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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.