Home / 51,967.36-71,737.68-33,129.28

Finding the Fourth Proportional to 51,967.36, 71,737.68 and 33,129.28

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Solution

The fourth proportional to 51,967.36, 71,737.68 and 33,129.28 is: 45,732.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,967.36 : 71,737.68 = 33,129.28 : x
  2. Step 2: Convert to fraction form
    51,967.36/71,737.68 = 33,129.28/x
  3. Step 3: Cross multiply
    51,967.36x = 71,737.68 × 33,129.28
  4. Step 4: Simplify right side
    51,967.36x = 2,376,617,687.27
  5. Step 5: Solve for x
    x = 2,376,617,687.27/51,967.36
  6. Step 6: Final answer
    x = 45,732.89

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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.