Home / 52,017.12-71,778.96-29,352.78

Finding the Fourth Proportional to 52,017.12, 71,778.96 and 29,352.78

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Solution

The fourth proportional to 52,017.12, 71,778.96 and 29,352.78 is: 40,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017.12 : 71,778.96 = 29,352.78 : x
  2. Step 2: Convert to fraction form
    52,017.12/71,778.96 = 29,352.78/x
  3. Step 3: Cross multiply
    52,017.12x = 71,778.96 × 29,352.78
  4. Step 4: Simplify right side
    52,017.12x = 2,106,912,021.51
  5. Step 5: Solve for x
    x = 2,106,912,021.51/52,017.12
  6. Step 6: Final answer
    x = 40,504.20

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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.