Home / 37,452.36-51,683.54-20,685

Finding the Fourth Proportional to 37,452.36, 51,683.54 and 20,685

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Solution

The fourth proportional to 37,452.36, 51,683.54 and 20,685 is: 28,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,452.36 : 51,683.54 = 20,685 : x
  2. Step 2: Convert to fraction form
    37,452.36/51,683.54 = 20,685/x
  3. Step 3: Cross multiply
    37,452.36x = 51,683.54 × 20,685
  4. Step 4: Simplify right side
    37,452.36x = 1,069,074,024.90
  5. Step 5: Solve for x
    x = 1,069,074,024.90/37,452.36
  6. Step 6: Final answer
    x = 28,544.90

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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.