Home / 63,446.54-87,516.58-40,815

Finding the Fourth Proportional to 63,446.54, 87,516.58 and 40,815

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Solution

The fourth proportional to 63,446.54, 87,516.58 and 40,815 is: 56,299.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446.54 : 87,516.58 = 40,815 : x
  2. Step 2: Convert to fraction form
    63,446.54/87,516.58 = 40,815/x
  3. Step 3: Cross multiply
    63,446.54x = 87,516.58 × 40,815
  4. Step 4: Simplify right side
    63,446.54x = 3,571,989,212.70
  5. Step 5: Solve for x
    x = 3,571,989,212.70/63,446.54
  6. Step 6: Final answer
    x = 56,299.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.