Home / 39,851.70-54,996.54-21,703.62

Finding the Fourth Proportional to 39,851.70, 54,996.54 and 21,703.62

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Solution

The fourth proportional to 39,851.70, 54,996.54 and 21,703.62 is: 29,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,851.70 : 54,996.54 = 21,703.62 : x
  2. Step 2: Convert to fraction form
    39,851.70/54,996.54 = 21,703.62/x
  3. Step 3: Cross multiply
    39,851.70x = 54,996.54 × 21,703.62
  4. Step 4: Simplify right side
    39,851.70x = 1,193,624,005.47
  5. Step 5: Solve for x
    x = 1,193,624,005.47/39,851.70
  6. Step 6: Final answer
    x = 29,951.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.