Home / 31,972.80-44,108.46-30,490.50

Finding the Fourth Proportional to 31,972.80, 44,108.46 and 30,490.50

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Solution

The fourth proportional to 31,972.80, 44,108.46 and 30,490.50 is: 42,063.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.80 : 44,108.46 = 30,490.50 : x
  2. Step 2: Convert to fraction form
    31,972.80/44,108.46 = 30,490.50/x
  3. Step 3: Cross multiply
    31,972.80x = 44,108.46 × 30,490.50
  4. Step 4: Simplify right side
    31,972.80x = 1,344,888,999.63
  5. Step 5: Solve for x
    x = 1,344,888,999.63/31,972.80
  6. Step 6: Final answer
    x = 42,063.54

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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.