Home / 30,330.88-41,856.18-16,902.70

Finding the Fourth Proportional to 30,330.88, 41,856.18 and 16,902.70

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Solution

The fourth proportional to 30,330.88, 41,856.18 and 16,902.70 is: 23,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,330.88 : 41,856.18 = 16,902.70 : x
  2. Step 2: Convert to fraction form
    30,330.88/41,856.18 = 16,902.70/x
  3. Step 3: Cross multiply
    30,330.88x = 41,856.18 × 16,902.70
  4. Step 4: Simplify right side
    30,330.88x = 707,482,453.69
  5. Step 5: Solve for x
    x = 707,482,453.69/30,330.88
  6. Step 6: Final answer
    x = 23,325.48

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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.