Home / 30,894.21-42,636.20-17,466.71

Finding the Fourth Proportional to 30,894.21, 42,636.20 and 17,466.71

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Solution

The fourth proportional to 30,894.21, 42,636.20 and 17,466.71 is: 24,105.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,894.21 : 42,636.20 = 17,466.71 : x
  2. Step 2: Convert to fraction form
    30,894.21/42,636.20 = 17,466.71/x
  3. Step 3: Cross multiply
    30,894.21x = 42,636.20 × 17,466.71
  4. Step 4: Simplify right side
    30,894.21x = 744,713,840.39
  5. Step 5: Solve for x
    x = 744,713,840.39/30,894.21
  6. Step 6: Final answer
    x = 24,105.29

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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.