Home / 52,172.91-71,996.67-28,298.79

Finding the Fourth Proportional to 52,172.91, 71,996.67 and 28,298.79

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Solution

The fourth proportional to 52,172.91, 71,996.67 and 28,298.79 is: 39,051.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,172.91 : 71,996.67 = 28,298.79 : x
  2. Step 2: Convert to fraction form
    52,172.91/71,996.67 = 28,298.79/x
  3. Step 3: Cross multiply
    52,172.91x = 71,996.67 × 28,298.79
  4. Step 4: Simplify right side
    52,172.91x = 2,037,418,645.03
  5. Step 5: Solve for x
    x = 2,037,418,645.03/52,172.91
  6. Step 6: Final answer
    x = 39,051.27

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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.