Home / 34,064.96-47,010.66-20,638.67

Finding the Fourth Proportional to 34,064.96, 47,010.66 and 20,638.67

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Solution

The fourth proportional to 34,064.96, 47,010.66 and 20,638.67 is: 28,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,064.96 : 47,010.66 = 20,638.67 : x
  2. Step 2: Convert to fraction form
    34,064.96/47,010.66 = 20,638.67/x
  3. Step 3: Cross multiply
    34,064.96x = 47,010.66 × 20,638.67
  4. Step 4: Simplify right side
    34,064.96x = 970,237,498.22
  5. Step 5: Solve for x
    x = 970,237,498.22/34,064.96
  6. Step 6: Final answer
    x = 28,481.98

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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.