Home / 51,975.50-77,954.74-18,689.36

Finding the Fourth Proportional to 51,975.50, 77,954.74 and 18,689.36

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Solution

The fourth proportional to 51,975.50, 77,954.74 and 18,689.36 is: 28,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.50 : 77,954.74 = 18,689.36 : x
  2. Step 2: Convert to fraction form
    51,975.50/77,954.74 = 18,689.36/x
  3. Step 3: Cross multiply
    51,975.50x = 77,954.74 × 18,689.36
  4. Step 4: Simplify right side
    51,975.50x = 1,456,923,763.07
  5. Step 5: Solve for x
    x = 1,456,923,763.07/51,975.50
  6. Step 6: Final answer
    x = 28,030.97

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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.