Home / 33,513.40-50,270.10-13,785.40

Finding the Fourth Proportional to 33,513.40, 50,270.10 and 13,785.40

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Solution

The fourth proportional to 33,513.40, 50,270.10 and 13,785.40 is: 20,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,513.40 : 50,270.10 = 13,785.40 : x
  2. Step 2: Convert to fraction form
    33,513.40/50,270.10 = 13,785.40/x
  3. Step 3: Cross multiply
    33,513.40x = 50,270.10 × 13,785.40
  4. Step 4: Simplify right side
    33,513.40x = 692,993,436.54
  5. Step 5: Solve for x
    x = 692,993,436.54/33,513.40
  6. Step 6: Final answer
    x = 20,678.10

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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.