Home / 37,205.02-51,343.86-20,438.02

Finding the Fourth Proportional to 37,205.02, 51,343.86 and 20,438.02

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Solution

The fourth proportional to 37,205.02, 51,343.86 and 20,438.02 is: 28,204.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,205.02 : 51,343.86 = 20,438.02 : x
  2. Step 2: Convert to fraction form
    37,205.02/51,343.86 = 20,438.02/x
  3. Step 3: Cross multiply
    37,205.02x = 51,343.86 × 20,438.02
  4. Step 4: Simplify right side
    37,205.02x = 1,049,366,837.56
  5. Step 5: Solve for x
    x = 1,049,366,837.56/37,205.02
  6. Step 6: Final answer
    x = 28,204.98

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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.