Home / 30,558.20-45,628.24-27,375.09

Finding the Fourth Proportional to 30,558.20, 45,628.24 and 27,375.09

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Solution

The fourth proportional to 30,558.20, 45,628.24 and 27,375.09 is: 40,875.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.20 : 45,628.24 = 27,375.09 : x
  2. Step 2: Convert to fraction form
    30,558.20/45,628.24 = 27,375.09/x
  3. Step 3: Cross multiply
    30,558.20x = 45,628.24 × 27,375.09
  4. Step 4: Simplify right side
    30,558.20x = 1,249,077,176.54
  5. Step 5: Solve for x
    x = 1,249,077,176.54/30,558.20
  6. Step 6: Final answer
    x = 40,875.35

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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.