Home / 35,747.46-49,323.56-20,636.84

Finding the Fourth Proportional to 35,747.46, 49,323.56 and 20,636.84

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Solution

The fourth proportional to 35,747.46, 49,323.56 and 20,636.84 is: 28,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.46 : 49,323.56 = 20,636.84 : x
  2. Step 2: Convert to fraction form
    35,747.46/49,323.56 = 20,636.84/x
  3. Step 3: Cross multiply
    35,747.46x = 49,323.56 × 20,636.84
  4. Step 4: Simplify right side
    35,747.46x = 1,017,882,415.95
  5. Step 5: Solve for x
    x = 1,017,882,415.95/35,747.46
  6. Step 6: Final answer
    x = 28,474.26

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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.