Home / 30,655.18-42,305.39-17,226.39

Finding the Fourth Proportional to 30,655.18, 42,305.39 and 17,226.39

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Solution

The fourth proportional to 30,655.18, 42,305.39 and 17,226.39 is: 23,773.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.18 : 42,305.39 = 17,226.39 : x
  2. Step 2: Convert to fraction form
    30,655.18/42,305.39 = 17,226.39/x
  3. Step 3: Cross multiply
    30,655.18x = 42,305.39 × 17,226.39
  4. Step 4: Simplify right side
    30,655.18x = 728,769,084.54
  5. Step 5: Solve for x
    x = 728,769,084.54/30,655.18
  6. Step 6: Final answer
    x = 23,773.12

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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.