Home / 45,457.02-68,163.66-19,147.41

Finding the Fourth Proportional to 45,457.02, 68,163.66 and 19,147.41

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Solution

The fourth proportional to 45,457.02, 68,163.66 and 19,147.41 is: 28,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,457.02 : 68,163.66 = 19,147.41 : x
  2. Step 2: Convert to fraction form
    45,457.02/68,163.66 = 19,147.41/x
  3. Step 3: Cross multiply
    45,457.02x = 68,163.66 × 19,147.41
  4. Step 4: Simplify right side
    45,457.02x = 1,305,157,545.12
  5. Step 5: Solve for x
    x = 1,305,157,545.12/45,457.02
  6. Step 6: Final answer
    x = 28,711.90

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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.