Home / 57,832.22-86,748.93-20,385.32

Finding the Fourth Proportional to 57,832.22, 86,748.93 and 20,385.32

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Solution

The fourth proportional to 57,832.22, 86,748.93 and 20,385.32 is: 30,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,832.22 : 86,748.93 = 20,385.32 : x
  2. Step 2: Convert to fraction form
    57,832.22/86,748.93 = 20,385.32/x
  3. Step 3: Cross multiply
    57,832.22x = 86,748.93 × 20,385.32
  4. Step 4: Simplify right side
    57,832.22x = 1,768,404,263.96
  5. Step 5: Solve for x
    x = 1,768,404,263.96/57,832.22
  6. Step 6: Final answer
    x = 30,578.19

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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.