Home / 30,158.90-41,619.51-16,546.85

Finding the Fourth Proportional to 30,158.90, 41,619.51 and 16,546.85

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Solution

The fourth proportional to 30,158.90, 41,619.51 and 16,546.85 is: 22,834.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,158.90 : 41,619.51 = 16,546.85 : x
  2. Step 2: Convert to fraction form
    30,158.90/41,619.51 = 16,546.85/x
  3. Step 3: Cross multiply
    30,158.90x = 41,619.51 × 16,546.85
  4. Step 4: Simplify right side
    30,158.90x = 688,671,789.04
  5. Step 5: Solve for x
    x = 688,671,789.04/30,158.90
  6. Step 6: Final answer
    x = 22,834.78

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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.