Home / 37,128.58-55,705.64-10,837.20

Finding the Fourth Proportional to 37,128.58, 55,705.64 and 10,837.20

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Solution

The fourth proportional to 37,128.58, 55,705.64 and 10,837.20 is: 16,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.58 : 55,705.64 = 10,837.20 : x
  2. Step 2: Convert to fraction form
    37,128.58/55,705.64 = 10,837.20/x
  3. Step 3: Cross multiply
    37,128.58x = 55,705.64 × 10,837.20
  4. Step 4: Simplify right side
    37,128.58x = 603,693,161.81
  5. Step 5: Solve for x
    x = 603,693,161.81/37,128.58
  6. Step 6: Final answer
    x = 16,259.53

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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.