Home / 31,097.04-42,914.48-16,949.92

Finding the Fourth Proportional to 31,097.04, 42,914.48 and 16,949.92

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Solution

The fourth proportional to 31,097.04, 42,914.48 and 16,949.92 is: 23,391.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,097.04 : 42,914.48 = 16,949.92 : x
  2. Step 2: Convert to fraction form
    31,097.04/42,914.48 = 16,949.92/x
  3. Step 3: Cross multiply
    31,097.04x = 42,914.48 × 16,949.92
  4. Step 4: Simplify right side
    31,097.04x = 727,397,002.84
  5. Step 5: Solve for x
    x = 727,397,002.84/31,097.04
  6. Step 6: Final answer
    x = 23,391.20

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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.