Home / 51,378.74-77,075.31-15,842.89

Finding the Fourth Proportional to 51,378.74, 77,075.31 and 15,842.89

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Solution

The fourth proportional to 51,378.74, 77,075.31 and 15,842.89 is: 23,766.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,378.74 : 77,075.31 = 15,842.89 : x
  2. Step 2: Convert to fraction form
    51,378.74/77,075.31 = 15,842.89/x
  3. Step 3: Cross multiply
    51,378.74x = 77,075.31 × 15,842.89
  4. Step 4: Simplify right side
    51,378.74x = 1,221,095,813.80
  5. Step 5: Solve for x
    x = 1,221,095,813.80/51,378.74
  6. Step 6: Final answer
    x = 23,766.56

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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.