Home / 44,108.57-66,157.70-12,521.41

Finding the Fourth Proportional to 44,108.57, 66,157.70 and 12,521.41

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Solution

The fourth proportional to 44,108.57, 66,157.70 and 12,521.41 is: 18,780.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,108.57 : 66,157.70 = 12,521.41 : x
  2. Step 2: Convert to fraction form
    44,108.57/66,157.70 = 12,521.41/x
  3. Step 3: Cross multiply
    44,108.57x = 66,157.70 × 12,521.41
  4. Step 4: Simplify right side
    44,108.57x = 828,387,458.36
  5. Step 5: Solve for x
    x = 828,387,458.36/44,108.57
  6. Step 6: Final answer
    x = 18,780.65

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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.