Home / 49,749.73-74,575.45-20,148.82

Finding the Fourth Proportional to 49,749.73, 74,575.45 and 20,148.82

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Solution

The fourth proportional to 49,749.73, 74,575.45 and 20,148.82 is: 30,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,749.73 : 74,575.45 = 20,148.82 : x
  2. Step 2: Convert to fraction form
    49,749.73/74,575.45 = 20,148.82/x
  3. Step 3: Cross multiply
    49,749.73x = 74,575.45 × 20,148.82
  4. Step 4: Simplify right side
    49,749.73x = 1,502,607,157.22
  5. Step 5: Solve for x
    x = 1,502,607,157.22/49,749.73
  6. Step 6: Final answer
    x = 30,203.32

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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.