Home / 51,020.02-76,530.67-13,579.86

Finding the Fourth Proportional to 51,020.02, 76,530.67 and 13,579.86

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Solution

The fourth proportional to 51,020.02, 76,530.67 and 13,579.86 is: 20,369.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,020.02 : 76,530.67 = 13,579.86 : x
  2. Step 2: Convert to fraction form
    51,020.02/76,530.67 = 13,579.86/x
  3. Step 3: Cross multiply
    51,020.02x = 76,530.67 × 13,579.86
  4. Step 4: Simplify right side
    51,020.02x = 1,039,275,784.31
  5. Step 5: Solve for x
    x = 1,039,275,784.31/51,020.02
  6. Step 6: Final answer
    x = 20,369.96

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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.