Home / 30,355.58-45,533.07-17,028.55

Finding the Fourth Proportional to 30,355.58, 45,533.07 and 17,028.55

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Solution

The fourth proportional to 30,355.58, 45,533.07 and 17,028.55 is: 25,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.58 : 45,533.07 = 17,028.55 : x
  2. Step 2: Convert to fraction form
    30,355.58/45,533.07 = 17,028.55/x
  3. Step 3: Cross multiply
    30,355.58x = 45,533.07 × 17,028.55
  4. Step 4: Simplify right side
    30,355.58x = 775,362,045.32
  5. Step 5: Solve for x
    x = 775,362,045.32/30,355.58
  6. Step 6: Final answer
    x = 25,542.66

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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.