Home / 57,389.09-79,196.88-31,894.66

Finding the Fourth Proportional to 57,389.09, 79,196.88 and 31,894.66

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Solution

The fourth proportional to 57,389.09, 79,196.88 and 31,894.66 is: 44,014.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.09 : 79,196.88 = 31,894.66 : x
  2. Step 2: Convert to fraction form
    57,389.09/79,196.88 = 31,894.66/x
  3. Step 3: Cross multiply
    57,389.09x = 79,196.88 × 31,894.66
  4. Step 4: Simplify right side
    57,389.09x = 2,525,957,164.68
  5. Step 5: Solve for x
    x = 2,525,957,164.68/57,389.09
  6. Step 6: Final answer
    x = 44,014.59

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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.