Home / 48,961.88-67,567.20-28,818.56

Finding the Fourth Proportional to 48,961.88, 67,567.20 and 28,818.56

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Solution

The fourth proportional to 48,961.88, 67,567.20 and 28,818.56 is: 39,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,961.88 : 67,567.20 = 28,818.56 : x
  2. Step 2: Convert to fraction form
    48,961.88/67,567.20 = 28,818.56/x
  3. Step 3: Cross multiply
    48,961.88x = 67,567.20 × 28,818.56
  4. Step 4: Simplify right side
    48,961.88x = 1,947,189,407.23
  5. Step 5: Solve for x
    x = 1,947,189,407.23/48,961.88
  6. Step 6: Final answer
    x = 39,769.50

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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.