Home / 30,331.28-41,856.59-16,902.24

Finding the Fourth Proportional to 30,331.28, 41,856.59 and 16,902.24

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Solution

The fourth proportional to 30,331.28, 41,856.59 and 16,902.24 is: 23,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.28 : 41,856.59 = 16,902.24 : x
  2. Step 2: Convert to fraction form
    30,331.28/41,856.59 = 16,902.24/x
  3. Step 3: Cross multiply
    30,331.28x = 41,856.59 × 16,902.24
  4. Step 4: Simplify right side
    30,331.28x = 707,470,045.25
  5. Step 5: Solve for x
    x = 707,470,045.25/30,331.28
  6. Step 6: Final answer
    x = 23,324.77

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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.