Home / 57,756.41-86,637.77-18,310.67

Finding the Fourth Proportional to 57,756.41, 86,637.77 and 18,310.67

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Solution

The fourth proportional to 57,756.41, 86,637.77 and 18,310.67 is: 27,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,756.41 : 86,637.77 = 18,310.67 : x
  2. Step 2: Convert to fraction form
    57,756.41/86,637.77 = 18,310.67/x
  3. Step 3: Cross multiply
    57,756.41x = 86,637.77 × 18,310.67
  4. Step 4: Simplify right side
    57,756.41x = 1,586,395,524.45
  5. Step 5: Solve for x
    x = 1,586,395,524.45/57,756.41
  6. Step 6: Final answer
    x = 27,467.00

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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.