Home / 20,683.44-31,024.60-5,101.20

Finding the Fourth Proportional to 20,683.44, 31,024.60 and 5,101.20

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Solution

The fourth proportional to 20,683.44, 31,024.60 and 5,101.20 is: 7,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,683.44 : 31,024.60 = 5,101.20 : x
  2. Step 2: Convert to fraction form
    20,683.44/31,024.60 = 5,101.20/x
  3. Step 3: Cross multiply
    20,683.44x = 31,024.60 × 5,101.20
  4. Step 4: Simplify right side
    20,683.44x = 158,262,689.52
  5. Step 5: Solve for x
    x = 158,262,689.52/20,683.44
  6. Step 6: Final answer
    x = 7,651.66

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1.5x scale

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.