Home / 33,129.44-45,715.86-19,515.32

Finding the Fourth Proportional to 33,129.44, 45,715.86 and 19,515.32

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Solution

The fourth proportional to 33,129.44, 45,715.86 and 19,515.32 is: 26,929.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,129.44 : 45,715.86 = 19,515.32 : x
  2. Step 2: Convert to fraction form
    33,129.44/45,715.86 = 19,515.32/x
  3. Step 3: Cross multiply
    33,129.44x = 45,715.86 × 19,515.32
  4. Step 4: Simplify right side
    33,129.44x = 892,159,636.98
  5. Step 5: Solve for x
    x = 892,159,636.98/33,129.44
  6. Step 6: Final answer
    x = 26,929.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.