Home / 30,208.10-41,702.33-18,883.90

Finding the Fourth Proportional to 30,208.10, 41,702.33 and 18,883.90

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Solution

The fourth proportional to 30,208.10, 41,702.33 and 18,883.90 is: 26,069.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.10 : 41,702.33 = 18,883.90 : x
  2. Step 2: Convert to fraction form
    30,208.10/41,702.33 = 18,883.90/x
  3. Step 3: Cross multiply
    30,208.10x = 41,702.33 × 18,883.90
  4. Step 4: Simplify right side
    30,208.10x = 787,502,572.44
  5. Step 5: Solve for x
    x = 787,502,572.44/30,208.10
  6. Step 6: Final answer
    x = 26,069.25

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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.