Home / 29,811.40-44,718.46-21,085.28

Finding the Fourth Proportional to 29,811.40, 44,718.46 and 21,085.28

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Solution

The fourth proportional to 29,811.40, 44,718.46 and 21,085.28 is: 31,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,811.40 : 44,718.46 = 21,085.28 : x
  2. Step 2: Convert to fraction form
    29,811.40/44,718.46 = 21,085.28/x
  3. Step 3: Cross multiply
    29,811.40x = 44,718.46 × 21,085.28
  4. Step 4: Simplify right side
    29,811.40x = 942,901,250.27
  5. Step 5: Solve for x
    x = 942,901,250.27/29,811.40
  6. Step 6: Final answer
    x = 31,628.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.