Home / 31,073.64-42,882.66-16,927.80

Finding the Fourth Proportional to 31,073.64, 42,882.66 and 16,927.80

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Solution

The fourth proportional to 31,073.64, 42,882.66 and 16,927.80 is: 23,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.64 : 42,882.66 = 16,927.80 : x
  2. Step 2: Convert to fraction form
    31,073.64/42,882.66 = 16,927.80/x
  3. Step 3: Cross multiply
    31,073.64x = 42,882.66 × 16,927.80
  4. Step 4: Simplify right side
    31,073.64x = 725,909,091.95
  5. Step 5: Solve for x
    x = 725,909,091.95/31,073.64
  6. Step 6: Final answer
    x = 23,360.93

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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.