Home / 30,022.28-45,033.36-28,195.46

Finding the Fourth Proportional to 30,022.28, 45,033.36 and 28,195.46

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Solution

The fourth proportional to 30,022.28, 45,033.36 and 28,195.46 is: 42,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,022.28 : 45,033.36 = 28,195.46 : x
  2. Step 2: Convert to fraction form
    30,022.28/45,033.36 = 28,195.46/x
  3. Step 3: Cross multiply
    30,022.28x = 45,033.36 × 28,195.46
  4. Step 4: Simplify right side
    30,022.28x = 1,269,736,300.55
  5. Step 5: Solve for x
    x = 1,269,736,300.55/30,022.28
  6. Step 6: Final answer
    x = 42,293.13

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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.