Home / 69,012.05-103,518.09-21,627.13

Finding the Fourth Proportional to 69,012.05, 103,518.09 and 21,627.13

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Solution

The fourth proportional to 69,012.05, 103,518.09 and 21,627.13 is: 32,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,012.05 : 103,518.09 = 21,627.13 : x
  2. Step 2: Convert to fraction form
    69,012.05/103,518.09 = 21,627.13/x
  3. Step 3: Cross multiply
    69,012.05x = 103,518.09 × 21,627.13
  4. Step 4: Simplify right side
    69,012.05x = 2,238,798,930.99
  5. Step 5: Solve for x
    x = 2,238,798,930.99/69,012.05
  6. Step 6: Final answer
    x = 32,440.69

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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.