Home / 30,111.02-45,163.01-12,098.52

Finding the Fourth Proportional to 30,111.02, 45,163.01 and 12,098.52

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Solution

The fourth proportional to 30,111.02, 45,163.01 and 12,098.52 is: 18,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.02 : 45,163.01 = 12,098.52 : x
  2. Step 2: Convert to fraction form
    30,111.02/45,163.01 = 12,098.52/x
  3. Step 3: Cross multiply
    30,111.02x = 45,163.01 × 12,098.52
  4. Step 4: Simplify right side
    30,111.02x = 546,405,293.44
  5. Step 5: Solve for x
    x = 546,405,293.44/30,111.02
  6. Step 6: Final answer
    x = 18,146.36

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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.