Home / 31,104.84-42,924.68-16,957.68

Finding the Fourth Proportional to 31,104.84, 42,924.68 and 16,957.68

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Solution

The fourth proportional to 31,104.84, 42,924.68 and 16,957.68 is: 23,401.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,104.84 : 42,924.68 = 16,957.68 : x
  2. Step 2: Convert to fraction form
    31,104.84/42,924.68 = 16,957.68/x
  3. Step 3: Cross multiply
    31,104.84x = 42,924.68 × 16,957.68
  4. Step 4: Simplify right side
    31,104.84x = 727,902,987.54
  5. Step 5: Solve for x
    x = 727,902,987.54/31,104.84
  6. Step 6: Final answer
    x = 23,401.60

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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.