Home / 39,716.02-59,456.82-20,955.68

Finding the Fourth Proportional to 39,716.02, 59,456.82 and 20,955.68

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Solution

The fourth proportional to 39,716.02, 59,456.82 and 20,955.68 is: 31,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,716.02 : 59,456.82 = 20,955.68 : x
  2. Step 2: Convert to fraction form
    39,716.02/59,456.82 = 20,955.68/x
  3. Step 3: Cross multiply
    39,716.02x = 59,456.82 × 20,955.68
  4. Step 4: Simplify right side
    39,716.02x = 1,245,958,093.74
  5. Step 5: Solve for x
    x = 1,245,958,093.74/39,716.02
  6. Step 6: Final answer
    x = 31,371.68

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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.