Home / 51,578.01-71,181.63-28,919.07

Finding the Fourth Proportional to 51,578.01, 71,181.63 and 28,919.07

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Solution

The fourth proportional to 51,578.01, 71,181.63 and 28,919.07 is: 39,910.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,578.01 : 71,181.63 = 28,919.07 : x
  2. Step 2: Convert to fraction form
    51,578.01/71,181.63 = 28,919.07/x
  3. Step 3: Cross multiply
    51,578.01x = 71,181.63 × 28,919.07
  4. Step 4: Simplify right side
    51,578.01x = 2,058,506,540.68
  5. Step 5: Solve for x
    x = 2,058,506,540.68/51,578.01
  6. Step 6: Final answer
    x = 39,910.55

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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.