Home / 57,712.41-86,571.77-18,266.58

Finding the Fourth Proportional to 57,712.41, 86,571.77 and 18,266.58

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Solution

The fourth proportional to 57,712.41, 86,571.77 and 18,266.58 is: 27,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,712.41 : 86,571.77 = 18,266.58 : x
  2. Step 2: Convert to fraction form
    57,712.41/86,571.77 = 18,266.58/x
  3. Step 3: Cross multiply
    57,712.41x = 86,571.77 × 18,266.58
  4. Step 4: Simplify right side
    57,712.41x = 1,581,370,071.11
  5. Step 5: Solve for x
    x = 1,581,370,071.11/57,712.41
  6. Step 6: Final answer
    x = 27,400.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.