Home / 20,530.04-30,794.99-4,947.67

Finding the Fourth Proportional to 20,530.04, 30,794.99 and 4,947.67

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Solution

The fourth proportional to 20,530.04, 30,794.99 and 4,947.67 is: 7,421.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,530.04 : 30,794.99 = 4,947.67 : x
  2. Step 2: Convert to fraction form
    20,530.04/30,794.99 = 4,947.67/x
  3. Step 3: Cross multiply
    20,530.04x = 30,794.99 × 4,947.67
  4. Step 4: Simplify right side
    20,530.04x = 152,363,383.55
  5. Step 5: Solve for x
    x = 152,363,383.55/20,530.04
  6. Step 6: Final answer
    x = 7,421.48

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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.