Home / 69,013.56-103,520.37-21,632.35

Finding the Fourth Proportional to 69,013.56, 103,520.37 and 21,632.35

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Solution

The fourth proportional to 69,013.56, 103,520.37 and 21,632.35 is: 32,448.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,013.56 : 103,520.37 = 21,632.35 : x
  2. Step 2: Convert to fraction form
    69,013.56/103,520.37 = 21,632.35/x
  3. Step 3: Cross multiply
    69,013.56x = 103,520.37 × 21,632.35
  4. Step 4: Simplify right side
    69,013.56x = 2,239,388,358.37
  5. Step 5: Solve for x
    x = 2,239,388,358.37/69,013.56
  6. Step 6: Final answer
    x = 32,448.53

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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.