Home / 57,933.20-86,899.80-18,491.60

Finding the Fourth Proportional to 57,933.20, 86,899.80 and 18,491.60

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Solution

The fourth proportional to 57,933.20, 86,899.80 and 18,491.60 is: 27,737.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,933.20 : 86,899.80 = 18,491.60 : x
  2. Step 2: Convert to fraction form
    57,933.20/86,899.80 = 18,491.60/x
  3. Step 3: Cross multiply
    57,933.20x = 86,899.80 × 18,491.60
  4. Step 4: Simplify right side
    57,933.20x = 1,606,916,341.68
  5. Step 5: Solve for x
    x = 1,606,916,341.68/57,933.20
  6. Step 6: Final answer
    x = 27,737.40

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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.