Home / 38,665.10-57,969.27-12,354.68

Finding the Fourth Proportional to 38,665.10, 57,969.27 and 12,354.68

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Solution

The fourth proportional to 38,665.10, 57,969.27 and 12,354.68 is: 18,522.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,665.10 : 57,969.27 = 12,354.68 : x
  2. Step 2: Convert to fraction form
    38,665.10/57,969.27 = 12,354.68/x
  3. Step 3: Cross multiply
    38,665.10x = 57,969.27 × 12,354.68
  4. Step 4: Simplify right side
    38,665.10x = 716,191,780.68
  5. Step 5: Solve for x
    x = 716,191,780.68/38,665.10
  6. Step 6: Final answer
    x = 18,522.95

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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.