Home / 50,688.87-69,950.07-28,028.36

Finding the Fourth Proportional to 50,688.87, 69,950.07 and 28,028.36

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Solution

The fourth proportional to 50,688.87, 69,950.07 and 28,028.36 is: 38,678.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,688.87 : 69,950.07 = 28,028.36 : x
  2. Step 2: Convert to fraction form
    50,688.87/69,950.07 = 28,028.36/x
  3. Step 3: Cross multiply
    50,688.87x = 69,950.07 × 28,028.36
  4. Step 4: Simplify right side
    50,688.87x = 1,960,585,394.23
  5. Step 5: Solve for x
    x = 1,960,585,394.23/50,688.87
  6. Step 6: Final answer
    x = 38,678.81

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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.