Home / 40,898.48-61,354.20-13,190

Finding the Fourth Proportional to 40,898.48, 61,354.20 and 13,190

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Solution

The fourth proportional to 40,898.48, 61,354.20 and 13,190 is: 19,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.48 : 61,354.20 = 13,190 : x
  2. Step 2: Convert to fraction form
    40,898.48/61,354.20 = 13,190/x
  3. Step 3: Cross multiply
    40,898.48x = 61,354.20 × 13,190
  4. Step 4: Simplify right side
    40,898.48x = 809,261,898
  5. Step 5: Solve for x
    x = 809,261,898/40,898.48
  6. Step 6: Final answer
    x = 19,787.09

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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.