Home / 40,890.48-61,342.20-13,182

Finding the Fourth Proportional to 40,890.48, 61,342.20 and 13,182

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Solution

The fourth proportional to 40,890.48, 61,342.20 and 13,182 is: 19,775.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,890.48 : 61,342.20 = 13,182 : x
  2. Step 2: Convert to fraction form
    40,890.48/61,342.20 = 13,182/x
  3. Step 3: Cross multiply
    40,890.48x = 61,342.20 × 13,182
  4. Step 4: Simplify right side
    40,890.48x = 808,612,880.40
  5. Step 5: Solve for x
    x = 808,612,880.40/40,890.48
  6. Step 6: Final answer
    x = 19,775.09

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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.