Home / 30,124.92-41,572.49-18,188.36

Finding the Fourth Proportional to 30,124.92, 41,572.49 and 18,188.36

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Solution

The fourth proportional to 30,124.92, 41,572.49 and 18,188.36 is: 25,099.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,124.92 : 41,572.49 = 18,188.36 : x
  2. Step 2: Convert to fraction form
    30,124.92/41,572.49 = 18,188.36/x
  3. Step 3: Cross multiply
    30,124.92x = 41,572.49 × 18,188.36
  4. Step 4: Simplify right side
    30,124.92x = 756,135,206.35
  5. Step 5: Solve for x
    x = 756,135,206.35/30,124.92
  6. Step 6: Final answer
    x = 25,099.99

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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.