Home / 51,905.92-71,630.72-29,550.08

Finding the Fourth Proportional to 51,905.92, 71,630.72 and 29,550.08

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Solution

The fourth proportional to 51,905.92, 71,630.72 and 29,550.08 is: 40,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,905.92 : 71,630.72 = 29,550.08 : x
  2. Step 2: Convert to fraction form
    51,905.92/71,630.72 = 29,550.08/x
  3. Step 3: Cross multiply
    51,905.92x = 71,630.72 × 29,550.08
  4. Step 4: Simplify right side
    51,905.92x = 2,116,693,506.46
  5. Step 5: Solve for x
    x = 2,116,693,506.46/51,905.92
  6. Step 6: Final answer
    x = 40,779.42

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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.