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Finding the Fourth Proportional to 32,378.71, 48,520.82 and 14,345.18

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Solution

The fourth proportional to 32,378.71, 48,520.82 and 14,345.18 is: 21,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,378.71 : 48,520.82 = 14,345.18 : x
  2. Step 2: Convert to fraction form
    32,378.71/48,520.82 = 14,345.18/x
  3. Step 3: Cross multiply
    32,378.71x = 48,520.82 × 14,345.18
  4. Step 4: Simplify right side
    32,378.71x = 696,039,951.66
  5. Step 5: Solve for x
    x = 696,039,951.66/32,378.71
  6. Step 6: Final answer
    x = 21,496.84

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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.