Home / 57,457.06-86,164.26-20,007.52

Finding the Fourth Proportional to 57,457.06, 86,164.26 and 20,007.52

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Solution

The fourth proportional to 57,457.06, 86,164.26 and 20,007.52 is: 30,003.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.06 : 86,164.26 = 20,007.52 : x
  2. Step 2: Convert to fraction form
    57,457.06/86,164.26 = 20,007.52/x
  3. Step 3: Cross multiply
    57,457.06x = 86,164.26 × 20,007.52
  4. Step 4: Simplify right side
    57,457.06x = 1,723,933,155.24
  5. Step 5: Solve for x
    x = 1,723,933,155.24/57,457.06
  6. Step 6: Final answer
    x = 30,003.85

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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.