Home / 48,968.54-67,570.76-28,820.96

Finding the Fourth Proportional to 48,968.54, 67,570.76 and 28,820.96

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Solution

The fourth proportional to 48,968.54, 67,570.76 and 28,820.96 is: 39,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,968.54 : 67,570.76 = 28,820.96 : x
  2. Step 2: Convert to fraction form
    48,968.54/67,570.76 = 28,820.96/x
  3. Step 3: Cross multiply
    48,968.54x = 67,570.76 × 28,820.96
  4. Step 4: Simplify right side
    48,968.54x = 1,947,454,171.13
  5. Step 5: Solve for x
    x = 1,947,454,171.13/48,968.54
  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.