Home / 40,872.48-61,295.76-13,164

Finding the Fourth Proportional to 40,872.48, 61,295.76 and 13,164

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Solution

The fourth proportional to 40,872.48, 61,295.76 and 13,164 is: 19,741.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.48 : 61,295.76 = 13,164 : x
  2. Step 2: Convert to fraction form
    40,872.48/61,295.76 = 13,164/x
  3. Step 3: Cross multiply
    40,872.48x = 61,295.76 × 13,164
  4. Step 4: Simplify right side
    40,872.48x = 806,897,384.64
  5. Step 5: Solve for x
    x = 806,897,384.64/40,872.48
  6. Step 6: Final answer
    x = 19,741.83

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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.