Home / 37,266.51-55,905.31-12,309.20

Finding the Fourth Proportional to 37,266.51, 55,905.31 and 12,309.20

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Solution

The fourth proportional to 37,266.51, 55,905.31 and 12,309.20 is: 18,465.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,266.51 : 55,905.31 = 12,309.20 : x
  2. Step 2: Convert to fraction form
    37,266.51/55,905.31 = 12,309.20/x
  3. Step 3: Cross multiply
    37,266.51x = 55,905.31 × 12,309.20
  4. Step 4: Simplify right side
    37,266.51x = 688,149,587.36
  5. Step 5: Solve for x
    x = 688,149,587.36/37,266.51
  6. Step 6: Final answer
    x = 18,465.63

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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.