Home / 61,620.12-85,035.82-33,325.81

Finding the Fourth Proportional to 61,620.12, 85,035.82 and 33,325.81

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Solution

The fourth proportional to 61,620.12, 85,035.82 and 33,325.81 is: 45,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,620.12 : 85,035.82 = 33,325.81 : x
  2. Step 2: Convert to fraction form
    61,620.12/85,035.82 = 33,325.81/x
  3. Step 3: Cross multiply
    61,620.12x = 85,035.82 × 33,325.81
  4. Step 4: Simplify right side
    61,620.12x = 2,833,887,155.34
  5. Step 5: Solve for x
    x = 2,833,887,155.34/61,620.12
  6. Step 6: Final answer
    x = 45,989.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.