Home / 45,108.18-67,657.32-15,521.94

Finding the Fourth Proportional to 45,108.18, 67,657.32 and 15,521.94

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Solution

The fourth proportional to 45,108.18, 67,657.32 and 15,521.94 is: 23,281.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,108.18 : 67,657.32 = 15,521.94 : x
  2. Step 2: Convert to fraction form
    45,108.18/67,657.32 = 15,521.94/x
  3. Step 3: Cross multiply
    45,108.18x = 67,657.32 × 15,521.94
  4. Step 4: Simplify right side
    45,108.18x = 1,050,172,861.60
  5. Step 5: Solve for x
    x = 1,050,172,861.60/45,108.18
  6. Step 6: Final answer
    x = 23,281.21

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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.