Home / 30,457.78-45,575.94-25,143.37

Finding the Fourth Proportional to 30,457.78, 45,575.94 and 25,143.37

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Solution

The fourth proportional to 30,457.78, 45,575.94 and 25,143.37 is: 37,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,457.78 : 45,575.94 = 25,143.37 : x
  2. Step 2: Convert to fraction form
    30,457.78/45,575.94 = 25,143.37/x
  3. Step 3: Cross multiply
    30,457.78x = 45,575.94 × 25,143.37
  4. Step 4: Simplify right side
    30,457.78x = 1,145,932,722.52
  5. Step 5: Solve for x
    x = 1,145,932,722.52/30,457.78
  6. Step 6: Final answer
    x = 37,623.65

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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.