Home / 45,514.58-68,279.13-13,496.90

Finding the Fourth Proportional to 45,514.58, 68,279.13 and 13,496.90

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Solution

The fourth proportional to 45,514.58, 68,279.13 and 13,496.90 is: 20,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514.58 : 68,279.13 = 13,496.90 : x
  2. Step 2: Convert to fraction form
    45,514.58/68,279.13 = 13,496.90/x
  3. Step 3: Cross multiply
    45,514.58x = 68,279.13 × 13,496.90
  4. Step 4: Simplify right side
    45,514.58x = 921,556,248.30
  5. Step 5: Solve for x
    x = 921,556,248.30/45,514.58
  6. Step 6: Final answer
    x = 20,247.50

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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.