Home / 35,890.04-49,539.14-20,786.41

Finding the Fourth Proportional to 35,890.04, 49,539.14 and 20,786.41

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Solution

The fourth proportional to 35,890.04, 49,539.14 and 20,786.41 is: 28,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,890.04 : 49,539.14 = 20,786.41 : x
  2. Step 2: Convert to fraction form
    35,890.04/49,539.14 = 20,786.41/x
  3. Step 3: Cross multiply
    35,890.04x = 49,539.14 × 20,786.41
  4. Step 4: Simplify right side
    35,890.04x = 1,029,740,826.75
  5. Step 5: Solve for x
    x = 1,029,740,826.75/35,890.04
  6. Step 6: Final answer
    x = 28,691.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.