Home / 30,325.40-45,494.24-12,795.20

Finding the Fourth Proportional to 30,325.40, 45,494.24 and 12,795.20

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Solution

The fourth proportional to 30,325.40, 45,494.24 and 12,795.20 is: 19,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.40 : 45,494.24 = 12,795.20 : x
  2. Step 2: Convert to fraction form
    30,325.40/45,494.24 = 12,795.20/x
  3. Step 3: Cross multiply
    30,325.40x = 45,494.24 × 12,795.20
  4. Step 4: Simplify right side
    30,325.40x = 582,107,899.65
  5. Step 5: Solve for x
    x = 582,107,899.65/30,325.40
  6. Step 6: Final answer
    x = 19,195.39

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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.