Home / 35,683.47-49,243.57-19,768.86

Finding the Fourth Proportional to 35,683.47, 49,243.57 and 19,768.86

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Solution

The fourth proportional to 35,683.47, 49,243.57 and 19,768.86 is: 27,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,683.47 : 49,243.57 = 19,768.86 : x
  2. Step 2: Convert to fraction form
    35,683.47/49,243.57 = 19,768.86/x
  3. Step 3: Cross multiply
    35,683.47x = 49,243.57 × 19,768.86
  4. Step 4: Simplify right side
    35,683.47x = 973,489,241.23
  5. Step 5: Solve for x
    x = 973,489,241.23/35,683.47
  6. Step 6: Final answer
    x = 27,281.24

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1.5x scale

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.