Home / 48,538.25-72,807.77-13,480.64

Finding the Fourth Proportional to 48,538.25, 72,807.77 and 13,480.64

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Solution

The fourth proportional to 48,538.25, 72,807.77 and 13,480.64 is: 20,221.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,538.25 : 72,807.77 = 13,480.64 : x
  2. Step 2: Convert to fraction form
    48,538.25/72,807.77 = 13,480.64/x
  3. Step 3: Cross multiply
    48,538.25x = 72,807.77 × 13,480.64
  4. Step 4: Simplify right side
    48,538.25x = 981,495,006.24
  5. Step 5: Solve for x
    x = 981,495,006.24/48,538.25
  6. Step 6: Final answer
    x = 20,221.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.