Home / 52,090.70-71,885.51-28,217.37

Finding the Fourth Proportional to 52,090.70, 71,885.51 and 28,217.37

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Solution

The fourth proportional to 52,090.70, 71,885.51 and 28,217.37 is: 38,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,090.70 : 71,885.51 = 28,217.37 : x
  2. Step 2: Convert to fraction form
    52,090.70/71,885.51 = 28,217.37/x
  3. Step 3: Cross multiply
    52,090.70x = 71,885.51 × 28,217.37
  4. Step 4: Simplify right side
    52,090.70x = 2,028,420,033.31
  5. Step 5: Solve for x
    x = 2,028,420,033.31/52,090.70
  6. Step 6: Final answer
    x = 38,940.16

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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.