Home / 29,908.50-44,857.86-21,116.76

Finding the Fourth Proportional to 29,908.50, 44,857.86 and 21,116.76

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Solution

The fourth proportional to 29,908.50, 44,857.86 and 21,116.76 is: 31,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,908.50 : 44,857.86 = 21,116.76 : x
  2. Step 2: Convert to fraction form
    29,908.50/44,857.86 = 21,116.76/x
  3. Step 3: Cross multiply
    29,908.50x = 44,857.86 × 21,116.76
  4. Step 4: Simplify right side
    29,908.50x = 947,252,663.73
  5. Step 5: Solve for x
    x = 947,252,663.73/29,908.50
  6. Step 6: Final answer
    x = 31,671.69

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1.5x scale

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.