Home / 37,045.02-51,120.63-20,278.02

Finding the Fourth Proportional to 37,045.02, 51,120.63 and 20,278.02

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Solution

The fourth proportional to 37,045.02, 51,120.63 and 20,278.02 is: 27,982.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,045.02 : 51,120.63 = 20,278.02 : x
  2. Step 2: Convert to fraction form
    37,045.02/51,120.63 = 20,278.02/x
  3. Step 3: Cross multiply
    37,045.02x = 51,120.63 × 20,278.02
  4. Step 4: Simplify right side
    37,045.02x = 1,036,625,157.55
  5. Step 5: Solve for x
    x = 1,036,625,157.55/37,045.02
  6. Step 6: Final answer
    x = 27,982.85

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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.