Home / 51,998.94-71,758.74-28,125.78

Finding the Fourth Proportional to 51,998.94, 71,758.74 and 28,125.78

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Solution

The fourth proportional to 51,998.94, 71,758.74 and 28,125.78 is: 38,813.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,998.94 : 71,758.74 = 28,125.78 : x
  2. Step 2: Convert to fraction form
    51,998.94/71,758.74 = 28,125.78/x
  3. Step 3: Cross multiply
    51,998.94x = 71,758.74 × 28,125.78
  4. Step 4: Simplify right side
    51,998.94x = 2,018,270,534.32
  5. Step 5: Solve for x
    x = 2,018,270,534.32/51,998.94
  6. Step 6: Final answer
    x = 38,813.69

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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.