Home / 45,734.88-68,601.52-12,454.40

Finding the Fourth Proportional to 45,734.88, 68,601.52 and 12,454.40

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Solution

The fourth proportional to 45,734.88, 68,601.52 and 12,454.40 is: 18,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,734.88 : 68,601.52 = 12,454.40 : x
  2. Step 2: Convert to fraction form
    45,734.88/68,601.52 = 12,454.40/x
  3. Step 3: Cross multiply
    45,734.88x = 68,601.52 × 12,454.40
  4. Step 4: Simplify right side
    45,734.88x = 854,390,770.69
  5. Step 5: Solve for x
    x = 854,390,770.69/45,734.88
  6. Step 6: Final answer
    x = 18,681.38

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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.