Home / 51,238.10-70,705.24-28,266.54

Finding the Fourth Proportional to 51,238.10, 70,705.24 and 28,266.54

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Solution

The fourth proportional to 51,238.10, 70,705.24 and 28,266.54 is: 39,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,238.10 : 70,705.24 = 28,266.54 : x
  2. Step 2: Convert to fraction form
    51,238.10/70,705.24 = 28,266.54/x
  3. Step 3: Cross multiply
    51,238.10x = 70,705.24 × 28,266.54
  4. Step 4: Simplify right side
    51,238.10x = 1,998,592,494.67
  5. Step 5: Solve for x
    x = 1,998,592,494.67/51,238.10
  6. Step 6: Final answer
    x = 39,005.98

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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.