Home / 45,531.01-68,280.11-19,237.81

Finding the Fourth Proportional to 45,531.01, 68,280.11 and 19,237.81

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Solution

The fourth proportional to 45,531.01, 68,280.11 and 19,237.81 is: 28,849.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.01 : 68,280.11 = 19,237.81 : x
  2. Step 2: Convert to fraction form
    45,531.01/68,280.11 = 19,237.81/x
  3. Step 3: Cross multiply
    45,531.01x = 68,280.11 × 19,237.81
  4. Step 4: Simplify right side
    45,531.01x = 1,313,559,782.96
  5. Step 5: Solve for x
    x = 1,313,559,782.96/45,531.01
  6. Step 6: Final answer
    x = 28,849.78

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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.