Home / 34,680.43-47,858.87-18,764.81

Finding the Fourth Proportional to 34,680.43, 47,858.87 and 18,764.81

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Solution

The fourth proportional to 34,680.43, 47,858.87 and 18,764.81 is: 25,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.43 : 47,858.87 = 18,764.81 : x
  2. Step 2: Convert to fraction form
    34,680.43/47,858.87 = 18,764.81/x
  3. Step 3: Cross multiply
    34,680.43x = 47,858.87 × 18,764.81
  4. Step 4: Simplify right side
    34,680.43x = 898,062,269.25
  5. Step 5: Solve for x
    x = 898,062,269.25/34,680.43
  6. Step 6: Final answer
    x = 25,895.37

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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.