Home / 51,019.20-76,528.80-23,317.20

Finding the Fourth Proportional to 51,019.20, 76,528.80 and 23,317.20

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Solution

The fourth proportional to 51,019.20, 76,528.80 and 23,317.20 is: 34,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,019.20 : 76,528.80 = 23,317.20 : x
  2. Step 2: Convert to fraction form
    51,019.20/76,528.80 = 23,317.20/x
  3. Step 3: Cross multiply
    51,019.20x = 76,528.80 × 23,317.20
  4. Step 4: Simplify right side
    51,019.20x = 1,784,437,335.36
  5. Step 5: Solve for x
    x = 1,784,437,335.36/51,019.20
  6. Step 6: Final answer
    x = 34,975.80

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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.