Home / 30,525.22-45,773.19-12,985.54

Finding the Fourth Proportional to 30,525.22, 45,773.19 and 12,985.54

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Solution

The fourth proportional to 30,525.22, 45,773.19 and 12,985.54 is: 19,472.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.22 : 45,773.19 = 12,985.54 : x
  2. Step 2: Convert to fraction form
    30,525.22/45,773.19 = 12,985.54/x
  3. Step 3: Cross multiply
    30,525.22x = 45,773.19 × 12,985.54
  4. Step 4: Simplify right side
    30,525.22x = 594,389,589.67
  5. Step 5: Solve for x
    x = 594,389,589.67/30,525.22
  6. Step 6: Final answer
    x = 19,472.08

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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.