Home / 31,029.48-42,820.65-16,882.29

Finding the Fourth Proportional to 31,029.48, 42,820.65 and 16,882.29

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Solution

The fourth proportional to 31,029.48, 42,820.65 and 16,882.29 is: 23,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.48 : 42,820.65 = 16,882.29 : x
  2. Step 2: Convert to fraction form
    31,029.48/42,820.65 = 16,882.29/x
  3. Step 3: Cross multiply
    31,029.48x = 42,820.65 × 16,882.29
  4. Step 4: Simplify right side
    31,029.48x = 722,910,631.29
  5. Step 5: Solve for x
    x = 722,910,631.29/31,029.48
  6. Step 6: Final answer
    x = 23,297.54

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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.