Home / 36,490.50-54,756.81-15,429.15

Finding the Fourth Proportional to 36,490.50, 54,756.81 and 15,429.15

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Solution

The fourth proportional to 36,490.50, 54,756.81 and 15,429.15 is: 23,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,490.50 : 54,756.81 = 15,429.15 : x
  2. Step 2: Convert to fraction form
    36,490.50/54,756.81 = 15,429.15/x
  3. Step 3: Cross multiply
    36,490.50x = 54,756.81 × 15,429.15
  4. Step 4: Simplify right side
    36,490.50x = 844,851,035.01
  5. Step 5: Solve for x
    x = 844,851,035.01/36,490.50
  6. Step 6: Final answer
    x = 23,152.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.