Home / 43,135.92-64,717.53-13,556.73

Finding the Fourth Proportional to 43,135.92, 64,717.53 and 13,556.73

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Solution

The fourth proportional to 43,135.92, 64,717.53 and 13,556.73 is: 20,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,135.92 : 64,717.53 = 13,556.73 : x
  2. Step 2: Convert to fraction form
    43,135.92/64,717.53 = 13,556.73/x
  3. Step 3: Cross multiply
    43,135.92x = 64,717.53 × 13,556.73
  4. Step 4: Simplify right side
    43,135.92x = 877,358,080.48
  5. Step 5: Solve for x
    x = 877,358,080.48/43,135.92
  6. Step 6: Final answer
    x = 20,339.38

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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.