Home / 30,558.70-45,628.99-27,375.60

Finding the Fourth Proportional to 30,558.70, 45,628.99 and 27,375.60

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Solution

The fourth proportional to 30,558.70, 45,628.99 and 27,375.60 is: 40,876.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.70 : 45,628.99 = 27,375.60 : x
  2. Step 2: Convert to fraction form
    30,558.70/45,628.99 = 27,375.60/x
  3. Step 3: Cross multiply
    30,558.70x = 45,628.99 × 27,375.60
  4. Step 4: Simplify right side
    30,558.70x = 1,249,120,978.64
  5. Step 5: Solve for x
    x = 1,249,120,978.64/30,558.70
  6. Step 6: Final answer
    x = 40,876.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.