Home / 30,125.32-41,573.20-16,696.80

Finding the Fourth Proportional to 30,125.32, 41,573.20 and 16,696.80

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Solution

The fourth proportional to 30,125.32, 41,573.20 and 16,696.80 is: 23,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,125.32 : 41,573.20 = 16,696.80 : x
  2. Step 2: Convert to fraction form
    30,125.32/41,573.20 = 16,696.80/x
  3. Step 3: Cross multiply
    30,125.32x = 41,573.20 × 16,696.80
  4. Step 4: Simplify right side
    30,125.32x = 694,139,405.76
  5. Step 5: Solve for x
    x = 694,139,405.76/30,125.32
  6. Step 6: Final answer
    x = 23,041.73

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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.