Home / 51,583.21-77,386.42-18,303.21

Finding the Fourth Proportional to 51,583.21, 77,386.42 and 18,303.21

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Solution

The fourth proportional to 51,583.21, 77,386.42 and 18,303.21 is: 27,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,583.21 : 77,386.42 = 18,303.21 : x
  2. Step 2: Convert to fraction form
    51,583.21/77,386.42 = 18,303.21/x
  3. Step 3: Cross multiply
    51,583.21x = 77,386.42 × 18,303.21
  4. Step 4: Simplify right side
    51,583.21x = 1,416,419,919.29
  5. Step 5: Solve for x
    x = 1,416,419,919.29/51,583.21
  6. Step 6: Final answer
    x = 27,458.93

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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.