Home / 35,735.44-53,608.12-20,749.64

Finding the Fourth Proportional to 35,735.44, 53,608.12 and 20,749.64

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Solution

The fourth proportional to 35,735.44, 53,608.12 and 20,749.64 is: 31,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,735.44 : 53,608.12 = 20,749.64 : x
  2. Step 2: Convert to fraction form
    35,735.44/53,608.12 = 20,749.64/x
  3. Step 3: Cross multiply
    35,735.44x = 53,608.12 × 20,749.64
  4. Step 4: Simplify right side
    35,735.44x = 1,112,349,191.08
  5. Step 5: Solve for x
    x = 1,112,349,191.08/35,735.44
  6. Step 6: Final answer
    x = 31,127.34

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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.