Home / 51,517.68-71,088.48-28,853.52

Finding the Fourth Proportional to 51,517.68, 71,088.48 and 28,853.52

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Solution

The fourth proportional to 51,517.68, 71,088.48 and 28,853.52 is: 39,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.68 : 71,088.48 = 28,853.52 : x
  2. Step 2: Convert to fraction form
    51,517.68/71,088.48 = 28,853.52/x
  3. Step 3: Cross multiply
    51,517.68x = 71,088.48 × 28,853.52
  4. Step 4: Simplify right side
    51,517.68x = 2,051,152,879.45
  5. Step 5: Solve for x
    x = 2,051,152,879.45/51,517.68
  6. Step 6: Final answer
    x = 39,814.54

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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.