Home / 30,339.42-41,869.70-16,910.67

Finding the Fourth Proportional to 30,339.42, 41,869.70 and 16,910.67

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Solution

The fourth proportional to 30,339.42, 41,869.70 and 16,910.67 is: 23,337.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.42 : 41,869.70 = 16,910.67 : x
  2. Step 2: Convert to fraction form
    30,339.42/41,869.70 = 16,910.67/x
  3. Step 3: Cross multiply
    30,339.42x = 41,869.70 × 16,910.67
  4. Step 4: Simplify right side
    30,339.42x = 708,044,679.70
  5. Step 5: Solve for x
    x = 708,044,679.70/30,339.42
  6. Step 6: Final answer
    x = 23,337.45

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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.