Home / 30,331.26-41,856.78-16,902.48

Finding the Fourth Proportional to 30,331.26, 41,856.78 and 16,902.48

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Solution

The fourth proportional to 30,331.26, 41,856.78 and 16,902.48 is: 23,325.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.26 : 41,856.78 = 16,902.48 : x
  2. Step 2: Convert to fraction form
    30,331.26/41,856.78 = 16,902.48/x
  3. Step 3: Cross multiply
    30,331.26x = 41,856.78 × 16,902.48
  4. Step 4: Simplify right side
    30,331.26x = 707,483,386.81
  5. Step 5: Solve for x
    x = 707,483,386.81/30,331.26
  6. Step 6: Final answer
    x = 23,325.22

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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.