Home / 42,845.41-64,156.33-34,479.73

Finding the Fourth Proportional to 42,845.41, 64,156.33 and 34,479.73

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Solution

The fourth proportional to 42,845.41, 64,156.33 and 34,479.73 is: 51,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,845.41 : 64,156.33 = 34,479.73 : x
  2. Step 2: Convert to fraction form
    42,845.41/64,156.33 = 34,479.73/x
  3. Step 3: Cross multiply
    42,845.41x = 64,156.33 × 34,479.73
  4. Step 4: Simplify right side
    42,845.41x = 2,212,092,936.19
  5. Step 5: Solve for x
    x = 2,212,092,936.19/42,845.41
  6. Step 6: Final answer
    x = 51,629.64

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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.