Home / 49,143.57-73,720.14-19,554.49

Finding the Fourth Proportional to 49,143.57, 73,720.14 and 19,554.49

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Solution

The fourth proportional to 49,143.57, 73,720.14 and 19,554.49 is: 29,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,143.57 : 73,720.14 = 19,554.49 : x
  2. Step 2: Convert to fraction form
    49,143.57/73,720.14 = 19,554.49/x
  3. Step 3: Cross multiply
    49,143.57x = 73,720.14 × 19,554.49
  4. Step 4: Simplify right side
    49,143.57x = 1,441,559,740.43
  5. Step 5: Solve for x
    x = 1,441,559,740.43/49,143.57
  6. Step 6: Final answer
    x = 29,333.64

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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.