Home / 30,178.45-41,636.61-17,429.94

Finding the Fourth Proportional to 30,178.45, 41,636.61 and 17,429.94

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Solution

The fourth proportional to 30,178.45, 41,636.61 and 17,429.94 is: 24,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.45 : 41,636.61 = 17,429.94 : x
  2. Step 2: Convert to fraction form
    30,178.45/41,636.61 = 17,429.94/x
  3. Step 3: Cross multiply
    30,178.45x = 41,636.61 × 17,429.94
  4. Step 4: Simplify right side
    30,178.45x = 725,723,526.95
  5. Step 5: Solve for x
    x = 725,723,526.95/30,178.45
  6. Step 6: Final answer
    x = 24,047.74

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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.