Home / 31,029.64-42,819.63-16,882.49

Finding the Fourth Proportional to 31,029.64, 42,819.63 and 16,882.49

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Solution

The fourth proportional to 31,029.64, 42,819.63 and 16,882.49 is: 23,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.64 : 42,819.63 = 16,882.49 : x
  2. Step 2: Convert to fraction form
    31,029.64/42,819.63 = 16,882.49/x
  3. Step 3: Cross multiply
    31,029.64x = 42,819.63 × 16,882.49
  4. Step 4: Simplify right side
    31,029.64x = 722,901,975.28
  5. Step 5: Solve for x
    x = 722,901,975.28/31,029.64
  6. Step 6: Final answer
    x = 23,297.14

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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.