Home / 39,001.55-53,821.98-21,096.54

Finding the Fourth Proportional to 39,001.55, 53,821.98 and 21,096.54

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Solution

The fourth proportional to 39,001.55, 53,821.98 and 21,096.54 is: 29,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,001.55 : 53,821.98 = 21,096.54 : x
  2. Step 2: Convert to fraction form
    39,001.55/53,821.98 = 21,096.54/x
  3. Step 3: Cross multiply
    39,001.55x = 53,821.98 × 21,096.54
  4. Step 4: Simplify right side
    39,001.55x = 1,135,457,553.95
  5. Step 5: Solve for x
    x = 1,135,457,553.95/39,001.55
  6. Step 6: Final answer
    x = 29,113.14

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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.