Home / 61,749.12-85,213.68-33,455.52

Finding the Fourth Proportional to 61,749.12, 85,213.68 and 33,455.52

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Solution

The fourth proportional to 61,749.12, 85,213.68 and 33,455.52 is: 46,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,749.12 : 85,213.68 = 33,455.52 : x
  2. Step 2: Convert to fraction form
    61,749.12/85,213.68 = 33,455.52/x
  3. Step 3: Cross multiply
    61,749.12x = 85,213.68 × 33,455.52
  4. Step 4: Simplify right side
    61,749.12x = 2,850,867,975.51
  5. Step 5: Solve for x
    x = 2,850,867,975.51/61,749.12
  6. Step 6: Final answer
    x = 46,168.56

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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.