Home / 53,409.60-80,122.37-19,673.05

Finding the Fourth Proportional to 53,409.60, 80,122.37 and 19,673.05

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Solution

The fourth proportional to 53,409.60, 80,122.37 and 19,673.05 is: 29,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,409.60 : 80,122.37 = 19,673.05 : x
  2. Step 2: Convert to fraction form
    53,409.60/80,122.37 = 19,673.05/x
  3. Step 3: Cross multiply
    53,409.60x = 80,122.37 × 19,673.05
  4. Step 4: Simplify right side
    53,409.60x = 1,576,251,190.82
  5. Step 5: Solve for x
    x = 1,576,251,190.82/53,409.60
  6. Step 6: Final answer
    x = 29,512.51

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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.