Home / 45,719.40-68,556.42-14,550.60

Finding the Fourth Proportional to 45,719.40, 68,556.42 and 14,550.60

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Solution

The fourth proportional to 45,719.40, 68,556.42 and 14,550.60 is: 21,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,719.40 : 68,556.42 = 14,550.60 : x
  2. Step 2: Convert to fraction form
    45,719.40/68,556.42 = 14,550.60/x
  3. Step 3: Cross multiply
    45,719.40x = 68,556.42 × 14,550.60
  4. Step 4: Simplify right side
    45,719.40x = 997,537,044.85
  5. Step 5: Solve for x
    x = 997,537,044.85/45,719.40
  6. Step 6: Final answer
    x = 21,818.68

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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.