Home / 30,381.20-45,658.20-26,579.60

Finding the Fourth Proportional to 30,381.20, 45,658.20 and 26,579.60

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Solution

The fourth proportional to 30,381.20, 45,658.20 and 26,579.60 is: 39,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.20 : 45,658.20 = 26,579.60 : x
  2. Step 2: Convert to fraction form
    30,381.20/45,658.20 = 26,579.60/x
  3. Step 3: Cross multiply
    30,381.20x = 45,658.20 × 26,579.60
  4. Step 4: Simplify right side
    30,381.20x = 1,213,576,692.72
  5. Step 5: Solve for x
    x = 1,213,576,692.72/30,381.20
  6. Step 6: Final answer
    x = 39,944.99

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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.