Home / 20,312.49-30,468.69-5,523.56

Finding the Fourth Proportional to 20,312.49, 30,468.69 and 5,523.56

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Solution

The fourth proportional to 20,312.49, 30,468.69 and 5,523.56 is: 8,285.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,312.49 : 30,468.69 = 5,523.56 : x
  2. Step 2: Convert to fraction form
    20,312.49/30,468.69 = 5,523.56/x
  3. Step 3: Cross multiply
    20,312.49x = 30,468.69 × 5,523.56
  4. Step 4: Simplify right side
    20,312.49x = 168,295,484.99
  5. Step 5: Solve for x
    x = 168,295,484.99/20,312.49
  6. Step 6: Final answer
    x = 8,285.32

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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.