Home / 51,381.65-77,065.44-15,357.60

Finding the Fourth Proportional to 51,381.65, 77,065.44 and 15,357.60

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Solution

The fourth proportional to 51,381.65, 77,065.44 and 15,357.60 is: 23,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,381.65 : 77,065.44 = 15,357.60 : x
  2. Step 2: Convert to fraction form
    51,381.65/77,065.44 = 15,357.60/x
  3. Step 3: Cross multiply
    51,381.65x = 77,065.44 × 15,357.60
  4. Step 4: Simplify right side
    51,381.65x = 1,183,540,165.35
  5. Step 5: Solve for x
    x = 1,183,540,165.35/51,381.65
  6. Step 6: Final answer
    x = 23,034.30

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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.