Home / 43,076.77-64,606.63-40,940.65

Finding the Fourth Proportional to 43,076.77, 64,606.63 and 40,940.65

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Solution

The fourth proportional to 43,076.77, 64,606.63 and 40,940.65 is: 61,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,076.77 : 64,606.63 = 40,940.65 : x
  2. Step 2: Convert to fraction form
    43,076.77/64,606.63 = 40,940.65/x
  3. Step 3: Cross multiply
    43,076.77x = 64,606.63 × 40,940.65
  4. Step 4: Simplify right side
    43,076.77x = 2,645,037,588.03
  5. Step 5: Solve for x
    x = 2,645,037,588.03/43,076.77
  6. Step 6: Final answer
    x = 61,402.88

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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.