Home / 31,094.88-42,910.93-16,947.75

Finding the Fourth Proportional to 31,094.88, 42,910.93 and 16,947.75

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Solution

The fourth proportional to 31,094.88, 42,910.93 and 16,947.75 is: 23,387.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094.88 : 42,910.93 = 16,947.75 : x
  2. Step 2: Convert to fraction form
    31,094.88/42,910.93 = 16,947.75/x
  3. Step 3: Cross multiply
    31,094.88x = 42,910.93 × 16,947.75
  4. Step 4: Simplify right side
    31,094.88x = 727,243,713.91
  5. Step 5: Solve for x
    x = 727,243,713.91/31,094.88
  6. Step 6: Final answer
    x = 23,387.89

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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.