Home / 49,953.30-74,928.22-12,513.69

Finding the Fourth Proportional to 49,953.30, 74,928.22 and 12,513.69

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Solution

The fourth proportional to 49,953.30, 74,928.22 and 12,513.69 is: 18,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,953.30 : 74,928.22 = 12,513.69 : x
  2. Step 2: Convert to fraction form
    49,953.30/74,928.22 = 12,513.69/x
  3. Step 3: Cross multiply
    49,953.30x = 74,928.22 × 12,513.69
  4. Step 4: Simplify right side
    49,953.30x = 937,628,517.33
  5. Step 5: Solve for x
    x = 937,628,517.33/49,953.30
  6. Step 6: Final answer
    x = 18,770.10

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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.