Home / 36,285.66-54,430.38-9,989.82

Finding the Fourth Proportional to 36,285.66, 54,430.38 and 9,989.82

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Solution

The fourth proportional to 36,285.66, 54,430.38 and 9,989.82 is: 14,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,285.66 : 54,430.38 = 9,989.82 : x
  2. Step 2: Convert to fraction form
    36,285.66/54,430.38 = 9,989.82/x
  3. Step 3: Cross multiply
    36,285.66x = 54,430.38 × 9,989.82
  4. Step 4: Simplify right side
    36,285.66x = 543,749,698.73
  5. Step 5: Solve for x
    x = 543,749,698.73/36,285.66
  6. Step 6: Final answer
    x = 14,985.25

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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.