Home / 51,181.89-70,633.20-28,520.91

Finding the Fourth Proportional to 51,181.89, 70,633.20 and 28,520.91

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Solution

The fourth proportional to 51,181.89, 70,633.20 and 28,520.91 is: 39,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.89 : 70,633.20 = 28,520.91 : x
  2. Step 2: Convert to fraction form
    51,181.89/70,633.20 = 28,520.91/x
  3. Step 3: Cross multiply
    51,181.89x = 70,633.20 × 28,520.91
  4. Step 4: Simplify right side
    51,181.89x = 2,014,523,140.21
  5. Step 5: Solve for x
    x = 2,014,523,140.21/51,181.89
  6. Step 6: Final answer
    x = 39,360.08

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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.