Home / 52,018.97-71,786.18-28,145.57

Finding the Fourth Proportional to 52,018.97, 71,786.18 and 28,145.57

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Solution

The fourth proportional to 52,018.97, 71,786.18 and 28,145.57 is: 38,840.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,018.97 : 71,786.18 = 28,145.57 : x
  2. Step 2: Convert to fraction form
    52,018.97/71,786.18 = 28,145.57/x
  3. Step 3: Cross multiply
    52,018.97x = 71,786.18 × 28,145.57
  4. Step 4: Simplify right side
    52,018.97x = 2,020,462,665.66
  5. Step 5: Solve for x
    x = 2,020,462,665.66/52,018.97
  6. Step 6: Final answer
    x = 38,840.89

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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.