Home / 47,316.99-65,186.04-39,220.23

Finding the Fourth Proportional to 47,316.99, 65,186.04 and 39,220.23

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Solution

The fourth proportional to 47,316.99, 65,186.04 and 39,220.23 is: 54,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,316.99 : 65,186.04 = 39,220.23 : x
  2. Step 2: Convert to fraction form
    47,316.99/65,186.04 = 39,220.23/x
  3. Step 3: Cross multiply
    47,316.99x = 65,186.04 × 39,220.23
  4. Step 4: Simplify right side
    47,316.99x = 2,556,611,481.59
  5. Step 5: Solve for x
    x = 2,556,611,481.59/47,316.99
  6. Step 6: Final answer
    x = 54,031.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.