Home / 31,294.76-46,847.84-20,179.34

Finding the Fourth Proportional to 31,294.76, 46,847.84 and 20,179.34

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Solution

The fourth proportional to 31,294.76, 46,847.84 and 20,179.34 is: 30,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,294.76 : 46,847.84 = 20,179.34 : x
  2. Step 2: Convert to fraction form
    31,294.76/46,847.84 = 20,179.34/x
  3. Step 3: Cross multiply
    31,294.76x = 46,847.84 × 20,179.34
  4. Step 4: Simplify right side
    31,294.76x = 945,358,491.63
  5. Step 5: Solve for x
    x = 945,358,491.63/31,294.76
  6. Step 6: Final answer
    x = 30,208.20

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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.