Home / 37,138.96-55,711.78-10,485.24

Finding the Fourth Proportional to 37,138.96, 55,711.78 and 10,485.24

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Solution

The fourth proportional to 37,138.96, 55,711.78 and 10,485.24 is: 15,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,138.96 : 55,711.78 = 10,485.24 : x
  2. Step 2: Convert to fraction form
    37,138.96/55,711.78 = 10,485.24/x
  3. Step 3: Cross multiply
    37,138.96x = 55,711.78 × 10,485.24
  4. Step 4: Simplify right side
    37,138.96x = 584,151,384.13
  5. Step 5: Solve for x
    x = 584,151,384.13/37,138.96
  6. Step 6: Final answer
    x = 15,728.80

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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.