Home / 52,656.14-72,665.48-28,782.92

Finding the Fourth Proportional to 52,656.14, 72,665.48 and 28,782.92

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Solution

The fourth proportional to 52,656.14, 72,665.48 and 28,782.92 is: 39,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,656.14 : 72,665.48 = 28,782.92 : x
  2. Step 2: Convert to fraction form
    52,656.14/72,665.48 = 28,782.92/x
  3. Step 3: Cross multiply
    52,656.14x = 72,665.48 × 28,782.92
  4. Step 4: Simplify right side
    52,656.14x = 2,091,524,190.36
  5. Step 5: Solve for x
    x = 2,091,524,190.36/52,656.14
  6. Step 6: Final answer
    x = 39,720.43

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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.