Home / 33,386.99-50,045.88-20,878.31

Finding the Fourth Proportional to 33,386.99, 50,045.88 and 20,878.31

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Solution

The fourth proportional to 33,386.99, 50,045.88 and 20,878.31 is: 31,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.99 : 50,045.88 = 20,878.31 : x
  2. Step 2: Convert to fraction form
    33,386.99/50,045.88 = 20,878.31/x
  3. Step 3: Cross multiply
    33,386.99x = 50,045.88 × 20,878.31
  4. Step 4: Simplify right side
    33,386.99x = 1,044,873,042.24
  5. Step 5: Solve for x
    x = 1,044,873,042.24/33,386.99
  6. Step 6: Final answer
    x = 31,295.81

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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.