Home / 45,518.08-68,286.40-25,805.44

Finding the Fourth Proportional to 45,518.08, 68,286.40 and 25,805.44

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Solution

The fourth proportional to 45,518.08, 68,286.40 and 25,805.44 is: 38,713.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.08 : 68,286.40 = 25,805.44 : x
  2. Step 2: Convert to fraction form
    45,518.08/68,286.40 = 25,805.44/x
  3. Step 3: Cross multiply
    45,518.08x = 68,286.40 × 25,805.44
  4. Step 4: Simplify right side
    45,518.08x = 1,762,160,598.02
  5. Step 5: Solve for x
    x = 1,762,160,598.02/45,518.08
  6. Step 6: Final answer
    x = 38,713.42

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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.