Home / 34,986.90-48,270.42-20,837.82

Finding the Fourth Proportional to 34,986.90, 48,270.42 and 20,837.82

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Solution

The fourth proportional to 34,986.90, 48,270.42 and 20,837.82 is: 28,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,986.90 : 48,270.42 = 20,837.82 : x
  2. Step 2: Convert to fraction form
    34,986.90/48,270.42 = 20,837.82/x
  3. Step 3: Cross multiply
    34,986.90x = 48,270.42 × 20,837.82
  4. Step 4: Simplify right side
    34,986.90x = 1,005,850,323.28
  5. Step 5: Solve for x
    x = 1,005,850,323.28/34,986.90
  6. Step 6: Final answer
    x = 28,749.34

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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.