Home / 34,554.96-47,683.35-21,820.68

Finding the Fourth Proportional to 34,554.96, 47,683.35 and 21,820.68

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Solution

The fourth proportional to 34,554.96, 47,683.35 and 21,820.68 is: 30,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,554.96 : 47,683.35 = 21,820.68 : x
  2. Step 2: Convert to fraction form
    34,554.96/47,683.35 = 21,820.68/x
  3. Step 3: Cross multiply
    34,554.96x = 47,683.35 × 21,820.68
  4. Step 4: Simplify right side
    34,554.96x = 1,040,483,121.68
  5. Step 5: Solve for x
    x = 1,040,483,121.68/34,554.96
  6. Step 6: Final answer
    x = 30,110.96

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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.