Home / 51,201.98-70,660.23-29,979.26

Finding the Fourth Proportional to 51,201.98, 70,660.23 and 29,979.26

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Solution

The fourth proportional to 51,201.98, 70,660.23 and 29,979.26 is: 41,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.98 : 70,660.23 = 29,979.26 : x
  2. Step 2: Convert to fraction form
    51,201.98/70,660.23 = 29,979.26/x
  3. Step 3: Cross multiply
    51,201.98x = 70,660.23 × 29,979.26
  4. Step 4: Simplify right side
    51,201.98x = 2,118,341,406.83
  5. Step 5: Solve for x
    x = 2,118,341,406.83/51,201.98
  6. Step 6: Final answer
    x = 41,372.26

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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.