Home / 30,245.20-45,291.16-25,302.64

Finding the Fourth Proportional to 30,245.20, 45,291.16 and 25,302.64

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Solution

The fourth proportional to 30,245.20, 45,291.16 and 25,302.64 is: 37,889.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.20 : 45,291.16 = 25,302.64 : x
  2. Step 2: Convert to fraction form
    30,245.20/45,291.16 = 25,302.64/x
  3. Step 3: Cross multiply
    30,245.20x = 45,291.16 × 25,302.64
  4. Step 4: Simplify right side
    30,245.20x = 1,145,985,916.66
  5. Step 5: Solve for x
    x = 1,145,985,916.66/30,245.20
  6. Step 6: Final answer
    x = 37,889.84

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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.