Home / 69,315.63-95,651.12-39,505.71

Finding the Fourth Proportional to 69,315.63, 95,651.12 and 39,505.71

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Solution

The fourth proportional to 69,315.63, 95,651.12 and 39,505.71 is: 54,515.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,315.63 : 95,651.12 = 39,505.71 : x
  2. Step 2: Convert to fraction form
    69,315.63/95,651.12 = 39,505.71/x
  3. Step 3: Cross multiply
    69,315.63x = 95,651.12 × 39,505.71
  4. Step 4: Simplify right side
    69,315.63x = 3,778,765,210.37
  5. Step 5: Solve for x
    x = 3,778,765,210.37/69,315.63
  6. Step 6: Final answer
    x = 54,515.34

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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.