Home / 30,023.28-45,033.66-7,533.90

Finding the Fourth Proportional to 30,023.28, 45,033.66 and 7,533.90

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Solution

The fourth proportional to 30,023.28, 45,033.66 and 7,533.90 is: 11,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,023.28 : 45,033.66 = 7,533.90 : x
  2. Step 2: Convert to fraction form
    30,023.28/45,033.66 = 7,533.90/x
  3. Step 3: Cross multiply
    30,023.28x = 45,033.66 × 7,533.90
  4. Step 4: Simplify right side
    30,023.28x = 339,279,091.07
  5. Step 5: Solve for x
    x = 339,279,091.07/30,023.28
  6. Step 6: Final answer
    x = 11,300.53

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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.