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Finding the Fourth Proportional to 32,392.82, 48,589.23 and 12,657.53

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Solution

The fourth proportional to 32,392.82, 48,589.23 and 12,657.53 is: 18,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,392.82 : 48,589.23 = 12,657.53 : x
  2. Step 2: Convert to fraction form
    32,392.82/48,589.23 = 12,657.53/x
  3. Step 3: Cross multiply
    32,392.82x = 48,589.23 × 12,657.53
  4. Step 4: Simplify right side
    32,392.82x = 615,019,805.34
  5. Step 5: Solve for x
    x = 615,019,805.34/32,392.82
  6. Step 6: Final answer
    x = 18,986.30

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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.