Home / 34,514.12-51,736.34-13,440.98

Finding the Fourth Proportional to 34,514.12, 51,736.34 and 13,440.98

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Solution

The fourth proportional to 34,514.12, 51,736.34 and 13,440.98 is: 20,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,514.12 : 51,736.34 = 13,440.98 : x
  2. Step 2: Convert to fraction form
    34,514.12/51,736.34 = 13,440.98/x
  3. Step 3: Cross multiply
    34,514.12x = 51,736.34 × 13,440.98
  4. Step 4: Simplify right side
    34,514.12x = 695,387,111.21
  5. Step 5: Solve for x
    x = 695,387,111.21/34,514.12
  6. Step 6: Final answer
    x = 20,147.90

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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.