Home / 43,029.17-64,556.60-20,556.69

Finding the Fourth Proportional to 43,029.17, 64,556.60 and 20,556.69

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Solution

The fourth proportional to 43,029.17, 64,556.60 and 20,556.69 is: 30,841.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,029.17 : 64,556.60 = 20,556.69 : x
  2. Step 2: Convert to fraction form
    43,029.17/64,556.60 = 20,556.69/x
  3. Step 3: Cross multiply
    43,029.17x = 64,556.60 × 20,556.69
  4. Step 4: Simplify right side
    43,029.17x = 1,327,069,668.78
  5. Step 5: Solve for x
    x = 1,327,069,668.78/43,029.17
  6. Step 6: Final answer
    x = 30,841.16

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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.