Home / 51,538.68-77,281.97-18,254.03

Finding the Fourth Proportional to 51,538.68, 77,281.97 and 18,254.03

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Solution

The fourth proportional to 51,538.68, 77,281.97 and 18,254.03 is: 27,371.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,538.68 : 77,281.97 = 18,254.03 : x
  2. Step 2: Convert to fraction form
    51,538.68/77,281.97 = 18,254.03/x
  3. Step 3: Cross multiply
    51,538.68x = 77,281.97 × 18,254.03
  4. Step 4: Simplify right side
    51,538.68x = 1,410,706,921.16
  5. Step 5: Solve for x
    x = 1,410,706,921.16/51,538.68
  6. Step 6: Final answer
    x = 27,371.81

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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.