Home / 48,677.70-67,189.60-28,538.94

Finding the Fourth Proportional to 48,677.70, 67,189.60 and 28,538.94

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Solution

The fourth proportional to 48,677.70, 67,189.60 and 28,538.94 is: 39,392.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,677.70 : 67,189.60 = 28,538.94 : x
  2. Step 2: Convert to fraction form
    48,677.70/67,189.60 = 28,538.94/x
  3. Step 3: Cross multiply
    48,677.70x = 67,189.60 × 28,538.94
  4. Step 4: Simplify right side
    48,677.70x = 1,917,519,963.02
  5. Step 5: Solve for x
    x = 1,917,519,963.02/48,677.70
  6. Step 6: Final answer
    x = 39,392.16

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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.