Home / 57,420.97-79,231.33-31,926.62

Finding the Fourth Proportional to 57,420.97, 79,231.33 and 31,926.62

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Solution

The fourth proportional to 57,420.97, 79,231.33 and 31,926.62 is: 44,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,420.97 : 79,231.33 = 31,926.62 : x
  2. Step 2: Convert to fraction form
    57,420.97/79,231.33 = 31,926.62/x
  3. Step 3: Cross multiply
    57,420.97x = 79,231.33 × 31,926.62
  4. Step 4: Simplify right side
    57,420.97x = 2,529,588,565.00
  5. Step 5: Solve for x
    x = 2,529,588,565.00/57,420.97
  6. Step 6: Final answer
    x = 44,053.39

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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.