Home / 53,456.78-80,122.30-21,847.34

Finding the Fourth Proportional to 53,456.78, 80,122.30 and 21,847.34

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Solution

The fourth proportional to 53,456.78, 80,122.30 and 21,847.34 is: 32,745.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,456.78 : 80,122.30 = 21,847.34 : x
  2. Step 2: Convert to fraction form
    53,456.78/80,122.30 = 21,847.34/x
  3. Step 3: Cross multiply
    53,456.78x = 80,122.30 × 21,847.34
  4. Step 4: Simplify right side
    53,456.78x = 1,750,459,275.37
  5. Step 5: Solve for x
    x = 1,750,459,275.37/53,456.78
  6. Step 6: Final answer
    x = 32,745.32

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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.