Home / 32,279.41-48,406.82-12,555.61

Finding the Fourth Proportional to 32,279.41, 48,406.82 and 12,555.61

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Solution

The fourth proportional to 32,279.41, 48,406.82 and 12,555.61 is: 18,828.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,279.41 : 48,406.82 = 12,555.61 : x
  2. Step 2: Convert to fraction form
    32,279.41/48,406.82 = 12,555.61/x
  3. Step 3: Cross multiply
    32,279.41x = 48,406.82 × 12,555.61
  4. Step 4: Simplify right side
    32,279.41x = 607,777,090.48
  5. Step 5: Solve for x
    x = 607,777,090.48/32,279.41
  6. Step 6: Final answer
    x = 18,828.63

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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.