Home / 51,310.85-70,808.29-28,650.22

Finding the Fourth Proportional to 51,310.85, 70,808.29 and 28,650.22

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Solution

The fourth proportional to 51,310.85, 70,808.29 and 28,650.22 is: 39,536.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.85 : 70,808.29 = 28,650.22 : x
  2. Step 2: Convert to fraction form
    51,310.85/70,808.29 = 28,650.22/x
  3. Step 3: Cross multiply
    51,310.85x = 70,808.29 × 28,650.22
  4. Step 4: Simplify right side
    51,310.85x = 2,028,673,086.32
  5. Step 5: Solve for x
    x = 2,028,673,086.32/51,310.85
  6. Step 6: Final answer
    x = 39,536.92

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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.