Home / 69,960.15-104,909.27-20,028.87

Finding the Fourth Proportional to 69,960.15, 104,909.27 and 20,028.87

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Solution

The fourth proportional to 69,960.15, 104,909.27 and 20,028.87 is: 30,034.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,960.15 : 104,909.27 = 20,028.87 : x
  2. Step 2: Convert to fraction form
    69,960.15/104,909.27 = 20,028.87/x
  3. Step 3: Cross multiply
    69,960.15x = 104,909.27 × 20,028.87
  4. Step 4: Simplify right side
    69,960.15x = 2,101,214,030.48
  5. Step 5: Solve for x
    x = 2,101,214,030.48/69,960.15
  6. Step 6: Final answer
    x = 30,034.44

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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.