Home / 53,315.87-79,971.05-20,033.37

Finding the Fourth Proportional to 53,315.87, 79,971.05 and 20,033.37

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Solution

The fourth proportional to 53,315.87, 79,971.05 and 20,033.37 is: 30,049.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,315.87 : 79,971.05 = 20,033.37 : x
  2. Step 2: Convert to fraction form
    53,315.87/79,971.05 = 20,033.37/x
  3. Step 3: Cross multiply
    53,315.87x = 79,971.05 × 20,033.37
  4. Step 4: Simplify right side
    53,315.87x = 1,602,089,533.77
  5. Step 5: Solve for x
    x = 1,602,089,533.77/53,315.87
  6. Step 6: Final answer
    x = 30,049.02

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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.