Home / 30,655.34-42,305.60-17,226.55

Finding the Fourth Proportional to 30,655.34, 42,305.60 and 17,226.55

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Solution

The fourth proportional to 30,655.34, 42,305.60 and 17,226.55 is: 23,773.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.34 : 42,305.60 = 17,226.55 : x
  2. Step 2: Convert to fraction form
    30,655.34/42,305.60 = 17,226.55/x
  3. Step 3: Cross multiply
    30,655.34x = 42,305.60 × 17,226.55
  4. Step 4: Simplify right side
    30,655.34x = 728,779,470.98
  5. Step 5: Solve for x
    x = 728,779,470.98/30,655.34
  6. Step 6: Final answer
    x = 23,773.33

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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.