Home / 31,929.80-44,057.94-17,780

Finding the Fourth Proportional to 31,929.80, 44,057.94 and 17,780

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Solution

The fourth proportional to 31,929.80, 44,057.94 and 17,780 is: 24,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.80 : 44,057.94 = 17,780 : x
  2. Step 2: Convert to fraction form
    31,929.80/44,057.94 = 17,780/x
  3. Step 3: Cross multiply
    31,929.80x = 44,057.94 × 17,780
  4. Step 4: Simplify right side
    31,929.80x = 783,350,173.20
  5. Step 5: Solve for x
    x = 783,350,173.20/31,929.80
  6. Step 6: Final answer
    x = 24,533.51

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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.