Home / 36,454.80-54,688-12,768.96

Finding the Fourth Proportional to 36,454.80, 54,688 and 12,768.96

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Solution

The fourth proportional to 36,454.80, 54,688 and 12,768.96 is: 19,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,454.80 : 54,688 = 12,768.96 : x
  2. Step 2: Convert to fraction form
    36,454.80/54,688 = 12,768.96/x
  3. Step 3: Cross multiply
    36,454.80x = 54,688 × 12,768.96
  4. Step 4: Simplify right side
    36,454.80x = 698,308,884.48
  5. Step 5: Solve for x
    x = 698,308,884.48/36,454.80
  6. Step 6: Final answer
    x = 19,155.47

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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.