Home / 51,368.72-77,075.34-18,112.54

Finding the Fourth Proportional to 51,368.72, 77,075.34 and 18,112.54

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Solution

The fourth proportional to 51,368.72, 77,075.34 and 18,112.54 is: 27,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,368.72 : 77,075.34 = 18,112.54 : x
  2. Step 2: Convert to fraction form
    51,368.72/77,075.34 = 18,112.54/x
  3. Step 3: Cross multiply
    51,368.72x = 77,075.34 × 18,112.54
  4. Step 4: Simplify right side
    51,368.72x = 1,396,030,178.76
  5. Step 5: Solve for x
    x = 1,396,030,178.76/51,368.72
  6. Step 6: Final answer
    x = 27,176.66

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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.