Home / 30,379.76-41,925.94-16,951.04

Finding the Fourth Proportional to 30,379.76, 41,925.94 and 16,951.04

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Solution

The fourth proportional to 30,379.76, 41,925.94 and 16,951.04 is: 23,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.76 : 41,925.94 = 16,951.04 : x
  2. Step 2: Convert to fraction form
    30,379.76/41,925.94 = 16,951.04/x
  3. Step 3: Cross multiply
    30,379.76x = 41,925.94 × 16,951.04
  4. Step 4: Simplify right side
    30,379.76x = 710,688,285.98
  5. Step 5: Solve for x
    x = 710,688,285.98/30,379.76
  6. Step 6: Final answer
    x = 23,393.48

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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.