Home / 51,619.86-71,230.32-28,959.66

Finding the Fourth Proportional to 51,619.86, 71,230.32 and 28,959.66

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Solution

The fourth proportional to 51,619.86, 71,230.32 and 28,959.66 is: 39,961.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,619.86 : 71,230.32 = 28,959.66 : x
  2. Step 2: Convert to fraction form
    51,619.86/71,230.32 = 28,959.66/x
  3. Step 3: Cross multiply
    51,619.86x = 71,230.32 × 28,959.66
  4. Step 4: Simplify right side
    51,619.86x = 2,062,805,848.89
  5. Step 5: Solve for x
    x = 2,062,805,848.89/51,619.86
  6. Step 6: Final answer
    x = 39,961.48

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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.