Home / 41,638.76-62,457.06-19,439.90

Finding the Fourth Proportional to 41,638.76, 62,457.06 and 19,439.90

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Solution

The fourth proportional to 41,638.76, 62,457.06 and 19,439.90 is: 29,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,638.76 : 62,457.06 = 19,439.90 : x
  2. Step 2: Convert to fraction form
    41,638.76/62,457.06 = 19,439.90/x
  3. Step 3: Cross multiply
    41,638.76x = 62,457.06 × 19,439.90
  4. Step 4: Simplify right side
    41,638.76x = 1,214,159,000.69
  5. Step 5: Solve for x
    x = 1,214,159,000.69/41,638.76
  6. Step 6: Final answer
    x = 29,159.35

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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.