Home / 49,915.92-74,853.07-20,313.66

Finding the Fourth Proportional to 49,915.92, 74,853.07 and 20,313.66

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Solution

The fourth proportional to 49,915.92, 74,853.07 and 20,313.66 is: 30,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,915.92 : 74,853.07 = 20,313.66 : x
  2. Step 2: Convert to fraction form
    49,915.92/74,853.07 = 20,313.66/x
  3. Step 3: Cross multiply
    49,915.92x = 74,853.07 × 20,313.66
  4. Step 4: Simplify right side
    49,915.92x = 1,520,539,813.94
  5. Step 5: Solve for x
    x = 1,520,539,813.94/49,915.92
  6. Step 6: Final answer
    x = 30,462.02

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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.