Home / 69,519.69-95,931.41-39,303.45

Finding the Fourth Proportional to 69,519.69, 95,931.41 and 39,303.45

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Solution

The fourth proportional to 69,519.69, 95,931.41 and 39,303.45 is: 54,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,519.69 : 95,931.41 = 39,303.45 : x
  2. Step 2: Convert to fraction form
    69,519.69/95,931.41 = 39,303.45/x
  3. Step 3: Cross multiply
    69,519.69x = 95,931.41 × 39,303.45
  4. Step 4: Simplify right side
    69,519.69x = 3,770,435,179.85
  5. Step 5: Solve for x
    x = 3,770,435,179.85/69,519.69
  6. Step 6: Final answer
    x = 54,235.50

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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.