Home / 79,533.36-119,297.27-20,369.54

Finding the Fourth Proportional to 79,533.36, 119,297.27 and 20,369.54

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Solution

The fourth proportional to 79,533.36, 119,297.27 and 20,369.54 is: 30,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,533.36 : 119,297.27 = 20,369.54 : x
  2. Step 2: Convert to fraction form
    79,533.36/119,297.27 = 20,369.54/x
  3. Step 3: Cross multiply
    79,533.36x = 119,297.27 × 20,369.54
  4. Step 4: Simplify right side
    79,533.36x = 2,430,030,862.32
  5. Step 5: Solve for x
    x = 2,430,030,862.32/79,533.36
  6. Step 6: Final answer
    x = 30,553.60

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1.5x scale

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.