Home / 29,720.46-41,006.07-18,384.51

Finding the Fourth Proportional to 29,720.46, 41,006.07 and 18,384.51

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Solution

The fourth proportional to 29,720.46, 41,006.07 and 18,384.51 is: 25,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.46 : 41,006.07 = 18,384.51 : x
  2. Step 2: Convert to fraction form
    29,720.46/41,006.07 = 18,384.51/x
  3. Step 3: Cross multiply
    29,720.46x = 41,006.07 × 18,384.51
  4. Step 4: Simplify right side
    29,720.46x = 753,876,503.98
  5. Step 5: Solve for x
    x = 753,876,503.98/29,720.46
  6. Step 6: Final answer
    x = 25,365.57

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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.