Home / 53,219.37-79,830.94-13,238.56

Finding the Fourth Proportional to 53,219.37, 79,830.94 and 13,238.56

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Solution

The fourth proportional to 53,219.37, 79,830.94 and 13,238.56 is: 19,858.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219.37 : 79,830.94 = 13,238.56 : x
  2. Step 2: Convert to fraction form
    53,219.37/79,830.94 = 13,238.56/x
  3. Step 3: Cross multiply
    53,219.37x = 79,830.94 × 13,238.56
  4. Step 4: Simplify right side
    53,219.37x = 1,056,846,689.05
  5. Step 5: Solve for x
    x = 1,056,846,689.05/53,219.37
  6. Step 6: Final answer
    x = 19,858.31

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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.