Home / 56,730.74-85,089.62-15,180.98

Finding the Fourth Proportional to 56,730.74, 85,089.62 and 15,180.98

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Solution

The fourth proportional to 56,730.74, 85,089.62 and 15,180.98 is: 22,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,730.74 : 85,089.62 = 15,180.98 : x
  2. Step 2: Convert to fraction form
    56,730.74/85,089.62 = 15,180.98/x
  3. Step 3: Cross multiply
    56,730.74x = 85,089.62 × 15,180.98
  4. Step 4: Simplify right side
    56,730.74x = 1,291,743,819.43
  5. Step 5: Solve for x
    x = 1,291,743,819.43/56,730.74
  6. Step 6: Final answer
    x = 22,769.73

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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.