Home / 48,379.28-72,560.56-13,310.64

Finding the Fourth Proportional to 48,379.28, 72,560.56 and 13,310.64

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Solution

The fourth proportional to 48,379.28, 72,560.56 and 13,310.64 is: 19,963.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,379.28 : 72,560.56 = 13,310.64 : x
  2. Step 2: Convert to fraction form
    48,379.28/72,560.56 = 13,310.64/x
  3. Step 3: Cross multiply
    48,379.28x = 72,560.56 × 13,310.64
  4. Step 4: Simplify right side
    48,379.28x = 965,827,492.36
  5. Step 5: Solve for x
    x = 965,827,492.36/48,379.28
  6. Step 6: Final answer
    x = 19,963.66

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1.5x scale

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.