Home / 34,683.70-47,863.41-18,768.42

Finding the Fourth Proportional to 34,683.70, 47,863.41 and 18,768.42

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Solution

The fourth proportional to 34,683.70, 47,863.41 and 18,768.42 is: 25,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,683.70 : 47,863.41 = 18,768.42 : x
  2. Step 2: Convert to fraction form
    34,683.70/47,863.41 = 18,768.42/x
  3. Step 3: Cross multiply
    34,683.70x = 47,863.41 × 18,768.42
  4. Step 4: Simplify right side
    34,683.70x = 898,320,581.51
  5. Step 5: Solve for x
    x = 898,320,581.51/34,683.70
  6. Step 6: Final answer
    x = 25,900.37

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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.