Home / 53,726.46-80,590.50-18,666.96

Finding the Fourth Proportional to 53,726.46, 80,590.50 and 18,666.96

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Solution

The fourth proportional to 53,726.46, 80,590.50 and 18,666.96 is: 28,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,726.46 : 80,590.50 = 18,666.96 : x
  2. Step 2: Convert to fraction form
    53,726.46/80,590.50 = 18,666.96/x
  3. Step 3: Cross multiply
    53,726.46x = 80,590.50 × 18,666.96
  4. Step 4: Simplify right side
    53,726.46x = 1,504,379,639.88
  5. Step 5: Solve for x
    x = 1,504,379,639.88/53,726.46
  6. Step 6: Final answer
    x = 28,000.72

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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.