Home / 31,800.36-43,885.83-17,653.21

Finding the Fourth Proportional to 31,800.36, 43,885.83 and 17,653.21

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Solution

The fourth proportional to 31,800.36, 43,885.83 and 17,653.21 is: 24,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.36 : 43,885.83 = 17,653.21 : x
  2. Step 2: Convert to fraction form
    31,800.36/43,885.83 = 17,653.21/x
  3. Step 3: Cross multiply
    31,800.36x = 43,885.83 × 17,653.21
  4. Step 4: Simplify right side
    31,800.36x = 774,725,773.01
  5. Step 5: Solve for x
    x = 774,725,773.01/31,800.36
  6. Step 6: Final answer
    x = 24,362.17

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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.