Home / 51,231.00-70,695.58-28,261.09

Finding the Fourth Proportional to 51,231.00, 70,695.58 and 28,261.09

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Solution

The fourth proportional to 51,231.00, 70,695.58 and 28,261.09 is: 38,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,231.00 : 70,695.58 = 28,261.09 : x
  2. Step 2: Convert to fraction form
    51,231.00/70,695.58 = 28,261.09/x
  3. Step 3: Cross multiply
    51,231.00x = 70,695.58 × 28,261.09
  4. Step 4: Simplify right side
    51,231.00x = 1,997,934,311.55
  5. Step 5: Solve for x
    x = 1,997,934,311.55/51,231.00
  6. Step 6: Final answer
    x = 38,998.54

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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.