Home / 45,103.56-67,655.62-11,823.34

Finding the Fourth Proportional to 45,103.56, 67,655.62 and 11,823.34

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Solution

The fourth proportional to 45,103.56, 67,655.62 and 11,823.34 is: 17,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.56 : 67,655.62 = 11,823.34 : x
  2. Step 2: Convert to fraction form
    45,103.56/67,655.62 = 11,823.34/x
  3. Step 3: Cross multiply
    45,103.56x = 67,655.62 × 11,823.34
  4. Step 4: Simplify right side
    45,103.56x = 799,915,398.17
  5. Step 5: Solve for x
    x = 799,915,398.17/45,103.56
  6. Step 6: Final answer
    x = 17,735.08

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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.