Home / 57,214.98-79,021.32-39,034.49

Finding the Fourth Proportional to 57,214.98, 79,021.32 and 39,034.49

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Solution

The fourth proportional to 57,214.98, 79,021.32 and 39,034.49 is: 53,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.98 : 79,021.32 = 39,034.49 : x
  2. Step 2: Convert to fraction form
    57,214.98/79,021.32 = 39,034.49/x
  3. Step 3: Cross multiply
    57,214.98x = 79,021.32 × 39,034.49
  4. Step 4: Simplify right side
    57,214.98x = 3,084,556,925.33
  5. Step 5: Solve for x
    x = 3,084,556,925.33/57,214.98
  6. Step 6: Final answer
    x = 53,911.70

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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.