Home / 57,386.35-79,193.09-31,891.91

Finding the Fourth Proportional to 57,386.35, 79,193.09 and 31,891.91

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Solution

The fourth proportional to 57,386.35, 79,193.09 and 31,891.91 is: 44,010.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,386.35 : 79,193.09 = 31,891.91 : x
  2. Step 2: Convert to fraction form
    57,386.35/79,193.09 = 31,891.91/x
  3. Step 3: Cross multiply
    57,386.35x = 79,193.09 × 31,891.91
  4. Step 4: Simplify right side
    57,386.35x = 2,525,618,403.27
  5. Step 5: Solve for x
    x = 2,525,618,403.27/57,386.35
  6. Step 6: Final answer
    x = 44,010.79

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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.