Home / 53,348.37-80,022.62-13,905.45

Finding the Fourth Proportional to 53,348.37, 80,022.62 and 13,905.45

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Solution

The fourth proportional to 53,348.37, 80,022.62 and 13,905.45 is: 20,858.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,348.37 : 80,022.62 = 13,905.45 : x
  2. Step 2: Convert to fraction form
    53,348.37/80,022.62 = 13,905.45/x
  3. Step 3: Cross multiply
    53,348.37x = 80,022.62 × 13,905.45
  4. Step 4: Simplify right side
    53,348.37x = 1,112,750,471.75
  5. Step 5: Solve for x
    x = 1,112,750,471.75/53,348.37
  6. Step 6: Final answer
    x = 20,858.19

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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.