Home / 30,127.39-41,578.29-16,702.86

Finding the Fourth Proportional to 30,127.39, 41,578.29 and 16,702.86

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Solution

The fourth proportional to 30,127.39, 41,578.29 and 16,702.86 is: 23,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,127.39 : 41,578.29 = 16,702.86 : x
  2. Step 2: Convert to fraction form
    30,127.39/41,578.29 = 16,702.86/x
  3. Step 3: Cross multiply
    30,127.39x = 41,578.29 × 16,702.86
  4. Step 4: Simplify right side
    30,127.39x = 694,476,107.26
  5. Step 5: Solve for x
    x = 694,476,107.26/30,127.39
  6. Step 6: Final answer
    x = 23,051.32

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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.