Home / 51,968.98-77,924.31-30,915.46

Finding the Fourth Proportional to 51,968.98, 77,924.31 and 30,915.46

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Solution

The fourth proportional to 51,968.98, 77,924.31 and 30,915.46 is: 46,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,968.98 : 77,924.31 = 30,915.46 : x
  2. Step 2: Convert to fraction form
    51,968.98/77,924.31 = 30,915.46/x
  3. Step 3: Cross multiply
    51,968.98x = 77,924.31 × 30,915.46
  4. Step 4: Simplify right side
    51,968.98x = 2,409,065,888.83
  5. Step 5: Solve for x
    x = 2,409,065,888.83/51,968.98
  6. Step 6: Final answer
    x = 46,355.84

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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.