Home / 20,435.07-30,652.99-5,644.38

Finding the Fourth Proportional to 20,435.07, 30,652.99 and 5,644.38

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Solution

The fourth proportional to 20,435.07, 30,652.99 and 5,644.38 is: 8,466.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.07 : 30,652.99 = 5,644.38 : x
  2. Step 2: Convert to fraction form
    20,435.07/30,652.99 = 5,644.38/x
  3. Step 3: Cross multiply
    20,435.07x = 30,652.99 × 5,644.38
  4. Step 4: Simplify right side
    20,435.07x = 173,017,095.47
  5. Step 5: Solve for x
    x = 173,017,095.47/20,435.07
  6. Step 6: Final answer
    x = 8,466.67

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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.