Home / 48,427.86-66,827.39-28,290.45

Finding the Fourth Proportional to 48,427.86, 66,827.39 and 28,290.45

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Solution

The fourth proportional to 48,427.86, 66,827.39 and 28,290.45 is: 39,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,427.86 : 66,827.39 = 28,290.45 : x
  2. Step 2: Convert to fraction form
    48,427.86/66,827.39 = 28,290.45/x
  3. Step 3: Cross multiply
    48,427.86x = 66,827.39 × 28,290.45
  4. Step 4: Simplify right side
    48,427.86x = 1,890,576,793.97
  5. Step 5: Solve for x
    x = 1,890,576,793.97/48,427.86
  6. Step 6: Final answer
    x = 39,039.03

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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.