Home / 45,153.66-67,746.44-20,191.50

Finding the Fourth Proportional to 45,153.66, 67,746.44 and 20,191.50

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Solution

The fourth proportional to 45,153.66, 67,746.44 and 20,191.50 is: 30,294.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,153.66 : 67,746.44 = 20,191.50 : x
  2. Step 2: Convert to fraction form
    45,153.66/67,746.44 = 20,191.50/x
  3. Step 3: Cross multiply
    45,153.66x = 67,746.44 × 20,191.50
  4. Step 4: Simplify right side
    45,153.66x = 1,367,902,243.26
  5. Step 5: Solve for x
    x = 1,367,902,243.26/45,153.66
  6. Step 6: Final answer
    x = 30,294.38

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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.