Home / 30,007.68-44,976.96-19,601.28

Finding the Fourth Proportional to 30,007.68, 44,976.96 and 19,601.28

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Solution

The fourth proportional to 30,007.68, 44,976.96 and 19,601.28 is: 29,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.68 : 44,976.96 = 19,601.28 : x
  2. Step 2: Convert to fraction form
    30,007.68/44,976.96 = 19,601.28/x
  3. Step 3: Cross multiply
    30,007.68x = 44,976.96 × 19,601.28
  4. Step 4: Simplify right side
    30,007.68x = 881,605,986.51
  5. Step 5: Solve for x
    x = 881,605,986.51/30,007.68
  6. Step 6: Final answer
    x = 29,379.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.