Home / 30,651.93-42,304.91-17,906.60

Finding the Fourth Proportional to 30,651.93, 42,304.91 and 17,906.60

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Solution

The fourth proportional to 30,651.93, 42,304.91 and 17,906.60 is: 24,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651.93 : 42,304.91 = 17,906.60 : x
  2. Step 2: Convert to fraction form
    30,651.93/42,304.91 = 17,906.60/x
  3. Step 3: Cross multiply
    30,651.93x = 42,304.91 × 17,906.60
  4. Step 4: Simplify right side
    30,651.93x = 757,537,117.64
  5. Step 5: Solve for x
    x = 757,537,117.64/30,651.93
  6. Step 6: Final answer
    x = 24,714.17

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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.