Home / 50,653.09-69,895.24-30,509.65

Finding the Fourth Proportional to 50,653.09, 69,895.24 and 30,509.65

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Solution

The fourth proportional to 50,653.09, 69,895.24 and 30,509.65 is: 42,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,653.09 : 69,895.24 = 30,509.65 : x
  2. Step 2: Convert to fraction form
    50,653.09/69,895.24 = 30,509.65/x
  3. Step 3: Cross multiply
    50,653.09x = 69,895.24 × 30,509.65
  4. Step 4: Simplify right side
    50,653.09x = 2,132,479,309.07
  5. Step 5: Solve for x
    x = 2,132,479,309.07/50,653.09
  6. Step 6: Final answer
    x = 42,099.69

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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.