Home / 45,107.03-67,615.92-21,372.89

Finding the Fourth Proportional to 45,107.03, 67,615.92 and 21,372.89

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Solution

The fourth proportional to 45,107.03, 67,615.92 and 21,372.89 is: 32,038.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,107.03 : 67,615.92 = 21,372.89 : x
  2. Step 2: Convert to fraction form
    45,107.03/67,615.92 = 21,372.89/x
  3. Step 3: Cross multiply
    45,107.03x = 67,615.92 × 21,372.89
  4. Step 4: Simplify right side
    45,107.03x = 1,445,147,282.33
  5. Step 5: Solve for x
    x = 1,445,147,282.33/45,107.03
  6. Step 6: Final answer
    x = 32,038.19

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1.5x scale

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.