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Finding the Fourth Proportional to 30,815.40, 46,223.10 and 29,794.80

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Solution

The fourth proportional to 30,815.40, 46,223.10 and 29,794.80 is: 44,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815.40 : 46,223.10 = 29,794.80 : x
  2. Step 2: Convert to fraction form
    30,815.40/46,223.10 = 29,794.80/x
  3. Step 3: Cross multiply
    30,815.40x = 46,223.10 × 29,794.80
  4. Step 4: Simplify right side
    30,815.40x = 1,377,208,019.88
  5. Step 5: Solve for x
    x = 1,377,208,019.88/30,815.40
  6. Step 6: Final answer
    x = 44,692.20

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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.