Home / 52,040.45-71,815.80-28,167.32

Finding the Fourth Proportional to 52,040.45, 71,815.80 and 28,167.32

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Solution

The fourth proportional to 52,040.45, 71,815.80 and 28,167.32 is: 38,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.45 : 71,815.80 = 28,167.32 : x
  2. Step 2: Convert to fraction form
    52,040.45/71,815.80 = 28,167.32/x
  3. Step 3: Cross multiply
    52,040.45x = 71,815.80 × 28,167.32
  4. Step 4: Simplify right side
    52,040.45x = 2,022,858,260.58
  5. Step 5: Solve for x
    x = 2,022,858,260.58/52,040.45
  6. Step 6: Final answer
    x = 38,870.89

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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.