Home / 30,323.25-45,429.46-21,982.58

Finding the Fourth Proportional to 30,323.25, 45,429.46 and 21,982.58

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Solution

The fourth proportional to 30,323.25, 45,429.46 and 21,982.58 is: 32,933.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.25 : 45,429.46 = 21,982.58 : x
  2. Step 2: Convert to fraction form
    30,323.25/45,429.46 = 21,982.58/x
  3. Step 3: Cross multiply
    30,323.25x = 45,429.46 × 21,982.58
  4. Step 4: Simplify right side
    30,323.25x = 998,656,738.81
  5. Step 5: Solve for x
    x = 998,656,738.81/30,323.25
  6. Step 6: Final answer
    x = 32,933.70

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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.