Home / 30,546.92-42,154.22-17,119.35

Finding the Fourth Proportional to 30,546.92, 42,154.22 and 17,119.35

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Solution

The fourth proportional to 30,546.92, 42,154.22 and 17,119.35 is: 23,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,546.92 : 42,154.22 = 17,119.35 : x
  2. Step 2: Convert to fraction form
    30,546.92/42,154.22 = 17,119.35/x
  3. Step 3: Cross multiply
    30,546.92x = 42,154.22 × 17,119.35
  4. Step 4: Simplify right side
    30,546.92x = 721,652,888.96
  5. Step 5: Solve for x
    x = 721,652,888.96/30,546.92
  6. Step 6: Final answer
    x = 23,624.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.