Home / 45,516.08-68,282.31-13,925.55

Finding the Fourth Proportional to 45,516.08, 68,282.31 and 13,925.55

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Solution

The fourth proportional to 45,516.08, 68,282.31 and 13,925.55 is: 20,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516.08 : 68,282.31 = 13,925.55 : x
  2. Step 2: Convert to fraction form
    45,516.08/68,282.31 = 13,925.55/x
  3. Step 3: Cross multiply
    45,516.08x = 68,282.31 × 13,925.55
  4. Step 4: Simplify right side
    45,516.08x = 950,868,375.84
  5. Step 5: Solve for x
    x = 950,868,375.84/45,516.08
  6. Step 6: Final answer
    x = 20,890.82

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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.