Home / 43,406.16-65,434.58-40,512.82

Finding the Fourth Proportional to 43,406.16, 65,434.58 and 40,512.82

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Solution

The fourth proportional to 43,406.16, 65,434.58 and 40,512.82 is: 61,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,406.16 : 65,434.58 = 40,512.82 : x
  2. Step 2: Convert to fraction form
    43,406.16/65,434.58 = 40,512.82/x
  3. Step 3: Cross multiply
    43,406.16x = 65,434.58 × 40,512.82
  4. Step 4: Simplify right side
    43,406.16x = 2,650,939,147.09
  5. Step 5: Solve for x
    x = 2,650,939,147.09/43,406.16
  6. Step 6: Final answer
    x = 61,072.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.