Home / 30,351.81-41,876.21-17,602.41

Finding the Fourth Proportional to 30,351.81, 41,876.21 and 17,602.41

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Solution

The fourth proportional to 30,351.81, 41,876.21 and 17,602.41 is: 24,285.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,351.81 : 41,876.21 = 17,602.41 : x
  2. Step 2: Convert to fraction form
    30,351.81/41,876.21 = 17,602.41/x
  3. Step 3: Cross multiply
    30,351.81x = 41,876.21 × 17,602.41
  4. Step 4: Simplify right side
    30,351.81x = 737,122,319.69
  5. Step 5: Solve for x
    x = 737,122,319.69/30,351.81
  6. Step 6: Final answer
    x = 24,285.94

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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.