Home / 40,881.64-61,236.06-30,911.08

Finding the Fourth Proportional to 40,881.64, 61,236.06 and 30,911.08

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Solution

The fourth proportional to 40,881.64, 61,236.06 and 30,911.08 is: 46,301.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,881.64 : 61,236.06 = 30,911.08 : x
  2. Step 2: Convert to fraction form
    40,881.64/61,236.06 = 30,911.08/x
  3. Step 3: Cross multiply
    40,881.64x = 61,236.06 × 30,911.08
  4. Step 4: Simplify right side
    40,881.64x = 1,892,872,749.54
  5. Step 5: Solve for x
    x = 1,892,872,749.54/40,881.64
  6. Step 6: Final answer
    x = 46,301.29

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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.