Home / 30,069.35-45,119.58-21,817.47

Finding the Fourth Proportional to 30,069.35, 45,119.58 and 21,817.47

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Solution

The fourth proportional to 30,069.35, 45,119.58 and 21,817.47 is: 32,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,069.35 : 45,119.58 = 21,817.47 : x
  2. Step 2: Convert to fraction form
    30,069.35/45,119.58 = 21,817.47/x
  3. Step 3: Cross multiply
    30,069.35x = 45,119.58 × 21,817.47
  4. Step 4: Simplify right side
    30,069.35x = 984,395,083.06
  5. Step 5: Solve for x
    x = 984,395,083.06/30,069.35
  6. Step 6: Final answer
    x = 32,737.50

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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.