Home / 33,037.64-45,572.74-20,453.48

Finding the Fourth Proportional to 33,037.64, 45,572.74 and 20,453.48

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Solution

The fourth proportional to 33,037.64, 45,572.74 and 20,453.48 is: 28,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,037.64 : 45,572.74 = 20,453.48 : x
  2. Step 2: Convert to fraction form
    33,037.64/45,572.74 = 20,453.48/x
  3. Step 3: Cross multiply
    33,037.64x = 45,572.74 × 20,453.48
  4. Step 4: Simplify right side
    33,037.64x = 932,121,126.14
  5. Step 5: Solve for x
    x = 932,121,126.14/33,037.64
  6. Step 6: Final answer
    x = 28,213.91

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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.