Home / 31,094.54-42,910.50-16,947.38

Finding the Fourth Proportional to 31,094.54, 42,910.50 and 16,947.38

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Solution

The fourth proportional to 31,094.54, 42,910.50 and 16,947.38 is: 23,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094.54 : 42,910.50 = 16,947.38 : x
  2. Step 2: Convert to fraction form
    31,094.54/42,910.50 = 16,947.38/x
  3. Step 3: Cross multiply
    31,094.54x = 42,910.50 × 16,947.38
  4. Step 4: Simplify right side
    31,094.54x = 727,220,549.49
  5. Step 5: Solve for x
    x = 727,220,549.49/31,094.54
  6. Step 6: Final answer
    x = 23,387.40

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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.