Home / 42,646.05-63,969.02-11,481.33

Finding the Fourth Proportional to 42,646.05, 63,969.02 and 11,481.33

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Solution

The fourth proportional to 42,646.05, 63,969.02 and 11,481.33 is: 17,221.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646.05 : 63,969.02 = 11,481.33 : x
  2. Step 2: Convert to fraction form
    42,646.05/63,969.02 = 11,481.33/x
  3. Step 3: Cross multiply
    42,646.05x = 63,969.02 × 11,481.33
  4. Step 4: Simplify right side
    42,646.05x = 734,449,370.99
  5. Step 5: Solve for x
    x = 734,449,370.99/42,646.05
  6. Step 6: Final answer
    x = 17,221.98

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1.5x scale

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.