Home / 51,216.24-70,683.05-31,078.22

Finding the Fourth Proportional to 51,216.24, 70,683.05 and 31,078.22

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Solution

The fourth proportional to 51,216.24, 70,683.05 and 31,078.22 is: 42,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,216.24 : 70,683.05 = 31,078.22 : x
  2. Step 2: Convert to fraction form
    51,216.24/70,683.05 = 31,078.22/x
  3. Step 3: Cross multiply
    51,216.24x = 70,683.05 × 31,078.22
  4. Step 4: Simplify right side
    51,216.24x = 2,196,703,632.57
  5. Step 5: Solve for x
    x = 2,196,703,632.57/51,216.24
  6. Step 6: Final answer
    x = 42,890.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.