Home / 30,123.81-41,573.25-16,696.35

Finding the Fourth Proportional to 30,123.81, 41,573.25 and 16,696.35

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Solution

The fourth proportional to 30,123.81, 41,573.25 and 16,696.35 is: 23,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,123.81 : 41,573.25 = 16,696.35 : x
  2. Step 2: Convert to fraction form
    30,123.81/41,573.25 = 16,696.35/x
  3. Step 3: Cross multiply
    30,123.81x = 41,573.25 × 16,696.35
  4. Step 4: Simplify right side
    30,123.81x = 694,121,532.64
  5. Step 5: Solve for x
    x = 694,121,532.64/30,123.81
  6. Step 6: Final answer
    x = 23,042.29

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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.