Home / 52,647.88-72,654.08-28,774.56

Finding the Fourth Proportional to 52,647.88, 72,654.08 and 28,774.56

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Solution

The fourth proportional to 52,647.88, 72,654.08 and 28,774.56 is: 39,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,647.88 : 72,654.08 = 28,774.56 : x
  2. Step 2: Convert to fraction form
    52,647.88/72,654.08 = 28,774.56/x
  3. Step 3: Cross multiply
    52,647.88x = 72,654.08 × 28,774.56
  4. Step 4: Simplify right side
    52,647.88x = 2,090,589,184.20
  5. Step 5: Solve for x
    x = 2,090,589,184.20/52,647.88
  6. Step 6: Final answer
    x = 39,708.90

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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.