Home / 34,385.00-51,636.92-20,432.67

Finding the Fourth Proportional to 34,385.00, 51,636.92 and 20,432.67

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Solution

The fourth proportional to 34,385.00, 51,636.92 and 20,432.67 is: 30,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,385.00 : 51,636.92 = 20,432.67 : x
  2. Step 2: Convert to fraction form
    34,385.00/51,636.92 = 20,432.67/x
  3. Step 3: Cross multiply
    34,385.00x = 51,636.92 × 20,432.67
  4. Step 4: Simplify right side
    34,385.00x = 1,055,080,044.01
  5. Step 5: Solve for x
    x = 1,055,080,044.01/34,385.00
  6. Step 6: Final answer
    x = 30,684.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.