Home / 35,321.64-48,741.06-20,210.84

Finding the Fourth Proportional to 35,321.64, 48,741.06 and 20,210.84

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Solution

The fourth proportional to 35,321.64, 48,741.06 and 20,210.84 is: 27,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.64 : 48,741.06 = 20,210.84 : x
  2. Step 2: Convert to fraction form
    35,321.64/48,741.06 = 20,210.84/x
  3. Step 3: Cross multiply
    35,321.64x = 48,741.06 × 20,210.84
  4. Step 4: Simplify right side
    35,321.64x = 985,097,765.09
  5. Step 5: Solve for x
    x = 985,097,765.09/35,321.64
  6. Step 6: Final answer
    x = 27,889.36

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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.