Home / 45,375.52-67,986.48-27,808.72

Finding the Fourth Proportional to 45,375.52, 67,986.48 and 27,808.72

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Solution

The fourth proportional to 45,375.52, 67,986.48 and 27,808.72 is: 41,666.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,375.52 : 67,986.48 = 27,808.72 : x
  2. Step 2: Convert to fraction form
    45,375.52/67,986.48 = 27,808.72/x
  3. Step 3: Cross multiply
    45,375.52x = 67,986.48 × 27,808.72
  4. Step 4: Simplify right side
    45,375.52x = 1,890,616,986.11
  5. Step 5: Solve for x
    x = 1,890,616,986.11/45,375.52
  6. Step 6: Final answer
    x = 41,666.01

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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.