Home / 53,046.88-79,553.44-17,978.32

Finding the Fourth Proportional to 53,046.88, 79,553.44 and 17,978.32

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Solution

The fourth proportional to 53,046.88, 79,553.44 and 17,978.32 is: 26,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,046.88 : 79,553.44 = 17,978.32 : x
  2. Step 2: Convert to fraction form
    53,046.88/79,553.44 = 17,978.32/x
  3. Step 3: Cross multiply
    53,046.88x = 79,553.44 × 17,978.32
  4. Step 4: Simplify right side
    53,046.88x = 1,430,237,201.42
  5. Step 5: Solve for x
    x = 1,430,237,201.42/53,046.88
  6. Step 6: Final answer
    x = 26,961.76

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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.