Home / 48,257.10-72,376.20-13,188.42

Finding the Fourth Proportional to 48,257.10, 72,376.20 and 13,188.42

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Solution

The fourth proportional to 48,257.10, 72,376.20 and 13,188.42 is: 19,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,257.10 : 72,376.20 = 13,188.42 : x
  2. Step 2: Convert to fraction form
    48,257.10/72,376.20 = 13,188.42/x
  3. Step 3: Cross multiply
    48,257.10x = 72,376.20 × 13,188.42
  4. Step 4: Simplify right side
    48,257.10x = 954,527,723.60
  5. Step 5: Solve for x
    x = 954,527,723.60/48,257.10
  6. Step 6: Final answer
    x = 19,780.05

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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.