Home / 42,629.77-63,945.87-13,046.95

Finding the Fourth Proportional to 42,629.77, 63,945.87 and 13,046.95

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Solution

The fourth proportional to 42,629.77, 63,945.87 and 13,046.95 is: 19,570.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.77 : 63,945.87 = 13,046.95 : x
  2. Step 2: Convert to fraction form
    42,629.77/63,945.87 = 13,046.95/x
  3. Step 3: Cross multiply
    42,629.77x = 63,945.87 × 13,046.95
  4. Step 4: Simplify right side
    42,629.77x = 834,298,568.60
  5. Step 5: Solve for x
    x = 834,298,568.60/42,629.77
  6. Step 6: Final answer
    x = 19,570.80

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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.