Home / 45,300.20-67,953.62-12,019.52

Finding the Fourth Proportional to 45,300.20, 67,953.62 and 12,019.52

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Solution

The fourth proportional to 45,300.20, 67,953.62 and 12,019.52 is: 18,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,300.20 : 67,953.62 = 12,019.52 : x
  2. Step 2: Convert to fraction form
    45,300.20/67,953.62 = 12,019.52/x
  3. Step 3: Cross multiply
    45,300.20x = 67,953.62 × 12,019.52
  4. Step 4: Simplify right side
    45,300.20x = 816,770,094.60
  5. Step 5: Solve for x
    x = 816,770,094.60/45,300.20
  6. Step 6: Final answer
    x = 18,030.17

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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.