Home / 30,178.32-41,636.41-17,429.82

Finding the Fourth Proportional to 30,178.32, 41,636.41 and 17,429.82

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Solution

The fourth proportional to 30,178.32, 41,636.41 and 17,429.82 is: 24,047.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,178.32 : 41,636.41 = 17,429.82 : x
  2. Step 2: Convert to fraction form
    30,178.32/41,636.41 = 17,429.82/x
  3. Step 3: Cross multiply
    30,178.32x = 41,636.41 × 17,429.82
  4. Step 4: Simplify right side
    30,178.32x = 725,715,131.75
  5. Step 5: Solve for x
    x = 725,715,131.75/30,178.32
  6. Step 6: Final answer
    x = 24,047.57

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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.