Home / 51,486.27-71,050.70-28,825.17

Finding the Fourth Proportional to 51,486.27, 71,050.70 and 28,825.17

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Solution

The fourth proportional to 51,486.27, 71,050.70 and 28,825.17 is: 39,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.27 : 71,050.70 = 28,825.17 : x
  2. Step 2: Convert to fraction form
    51,486.27/71,050.70 = 28,825.17/x
  3. Step 3: Cross multiply
    51,486.27x = 71,050.70 × 28,825.17
  4. Step 4: Simplify right side
    51,486.27x = 2,048,048,311.74
  5. Step 5: Solve for x
    x = 2,048,048,311.74/51,486.27
  6. Step 6: Final answer
    x = 39,778.54

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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.