Home / 30,485.88-45,454.94-27,882.36

Finding the Fourth Proportional to 30,485.88, 45,454.94 and 27,882.36

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Solution

The fourth proportional to 30,485.88, 45,454.94 and 27,882.36 is: 41,573.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.88 : 45,454.94 = 27,882.36 : x
  2. Step 2: Convert to fraction form
    30,485.88/45,454.94 = 27,882.36/x
  3. Step 3: Cross multiply
    30,485.88x = 45,454.94 × 27,882.36
  4. Step 4: Simplify right side
    30,485.88x = 1,267,391,000.86
  5. Step 5: Solve for x
    x = 1,267,391,000.86/30,485.88
  6. Step 6: Final answer
    x = 41,573.05

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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.