Home / 57,755.22-86,632.32-18,311.32

Finding the Fourth Proportional to 57,755.22, 86,632.32 and 18,311.32

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Solution

The fourth proportional to 57,755.22, 86,632.32 and 18,311.32 is: 27,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,755.22 : 86,632.32 = 18,311.32 : x
  2. Step 2: Convert to fraction form
    57,755.22/86,632.32 = 18,311.32/x
  3. Step 3: Cross multiply
    57,755.22x = 86,632.32 × 18,311.32
  4. Step 4: Simplify right side
    57,755.22x = 1,586,352,133.86
  5. Step 5: Solve for x
    x = 1,586,352,133.86/57,755.22
  6. Step 6: Final answer
    x = 27,466.82

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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.