Home / 31,093.22-42,909.80-17,666.75

Finding the Fourth Proportional to 31,093.22, 42,909.80 and 17,666.75

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Solution

The fourth proportional to 31,093.22, 42,909.80 and 17,666.75 is: 24,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,093.22 : 42,909.80 = 17,666.75 : x
  2. Step 2: Convert to fraction form
    31,093.22/42,909.80 = 17,666.75/x
  3. Step 3: Cross multiply
    31,093.22x = 42,909.80 × 17,666.75
  4. Step 4: Simplify right side
    31,093.22x = 758,076,633.43
  5. Step 5: Solve for x
    x = 758,076,633.43/31,093.22
  6. Step 6: Final answer
    x = 24,380.77

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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.