Home / 31,091.14-42,907.08-16,944.76

Finding the Fourth Proportional to 31,091.14, 42,907.08 and 16,944.76

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Solution

The fourth proportional to 31,091.14, 42,907.08 and 16,944.76 is: 23,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,091.14 : 42,907.08 = 16,944.76 : x
  2. Step 2: Convert to fraction form
    31,091.14/42,907.08 = 16,944.76/x
  3. Step 3: Cross multiply
    31,091.14x = 42,907.08 × 16,944.76
  4. Step 4: Simplify right side
    31,091.14x = 727,050,172.90
  5. Step 5: Solve for x
    x = 727,050,172.90/31,091.14
  6. Step 6: Final answer
    x = 23,384.48

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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.