Home / 31,029.49-42,820.89-16,882.44

Finding the Fourth Proportional to 31,029.49, 42,820.89 and 16,882.44

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Solution

The fourth proportional to 31,029.49, 42,820.89 and 16,882.44 is: 23,297.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,029.49 : 42,820.89 = 16,882.44 : x
  2. Step 2: Convert to fraction form
    31,029.49/42,820.89 = 16,882.44/x
  3. Step 3: Cross multiply
    31,029.49x = 42,820.89 × 16,882.44
  4. Step 4: Simplify right side
    31,029.49x = 722,920,807.65
  5. Step 5: Solve for x
    x = 722,920,807.65/31,029.49
  6. Step 6: Final answer
    x = 23,297.86

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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.