Home / 30,379.70-41,924.10-16,951.52

Finding the Fourth Proportional to 30,379.70, 41,924.10 and 16,951.52

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Solution

The fourth proportional to 30,379.70, 41,924.10 and 16,951.52 is: 23,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.70 : 41,924.10 = 16,951.52 : x
  2. Step 2: Convert to fraction form
    30,379.70/41,924.10 = 16,951.52/x
  3. Step 3: Cross multiply
    30,379.70x = 41,924.10 × 16,951.52
  4. Step 4: Simplify right side
    30,379.70x = 710,677,219.63
  5. Step 5: Solve for x
    x = 710,677,219.63/30,379.70
  6. Step 6: Final answer
    x = 23,393.16

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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.