Home / 53,072.55-79,603.56-18,011.70

Finding the Fourth Proportional to 53,072.55, 79,603.56 and 18,011.70

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Solution

The fourth proportional to 53,072.55, 79,603.56 and 18,011.70 is: 27,015.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,072.55 : 79,603.56 = 18,011.70 : x
  2. Step 2: Convert to fraction form
    53,072.55/79,603.56 = 18,011.70/x
  3. Step 3: Cross multiply
    53,072.55x = 79,603.56 × 18,011.70
  4. Step 4: Simplify right side
    53,072.55x = 1,433,795,441.65
  5. Step 5: Solve for x
    x = 1,433,795,441.65/53,072.55
  6. Step 6: Final answer
    x = 27,015.76

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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.