Home / 43,100.48-64,648.09-20,627.13

Finding the Fourth Proportional to 43,100.48, 64,648.09 and 20,627.13

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Solution

The fourth proportional to 43,100.48, 64,648.09 and 20,627.13 is: 30,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,100.48 : 64,648.09 = 20,627.13 : x
  2. Step 2: Convert to fraction form
    43,100.48/64,648.09 = 20,627.13/x
  3. Step 3: Cross multiply
    43,100.48x = 64,648.09 × 20,627.13
  4. Step 4: Simplify right side
    43,100.48x = 1,333,504,505.11
  5. Step 5: Solve for x
    x = 1,333,504,505.11/43,100.48
  6. Step 6: Final answer
    x = 30,939.44

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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.