Home / 30,214.45-41,702.61-16,790.32

Finding the Fourth Proportional to 30,214.45, 41,702.61 and 16,790.32

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Solution

The fourth proportional to 30,214.45, 41,702.61 and 16,790.32 is: 23,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,214.45 : 41,702.61 = 16,790.32 : x
  2. Step 2: Convert to fraction form
    30,214.45/41,702.61 = 16,790.32/x
  3. Step 3: Cross multiply
    30,214.45x = 41,702.61 × 16,790.32
  4. Step 4: Simplify right side
    30,214.45x = 700,200,166.74
  5. Step 5: Solve for x
    x = 700,200,166.74/30,214.45
  6. Step 6: Final answer
    x = 23,174.35

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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.