Home / 30,158.89-41,615.91-16,726.78

Finding the Fourth Proportional to 30,158.89, 41,615.91 and 16,726.78

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Solution

The fourth proportional to 30,158.89, 41,615.91 and 16,726.78 is: 23,081.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.89 : 41,615.91 = 16,726.78 : x
  2. Step 2: Convert to fraction form
    30,158.89/41,615.91 = 16,726.78/x
  3. Step 3: Cross multiply
    30,158.89x = 41,615.91 × 16,726.78
  4. Step 4: Simplify right side
    30,158.89x = 696,099,879.36
  5. Step 5: Solve for x
    x = 696,099,879.36/30,158.89
  6. Step 6: Final answer
    x = 23,081.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.