Home / 31,683.05-43,732.35-18,263.28

Finding the Fourth Proportional to 31,683.05, 43,732.35 and 18,263.28

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Solution

The fourth proportional to 31,683.05, 43,732.35 and 18,263.28 is: 25,208.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,683.05 : 43,732.35 = 18,263.28 : x
  2. Step 2: Convert to fraction form
    31,683.05/43,732.35 = 18,263.28/x
  3. Step 3: Cross multiply
    31,683.05x = 43,732.35 × 18,263.28
  4. Step 4: Simplify right side
    31,683.05x = 798,696,153.11
  5. Step 5: Solve for x
    x = 798,696,153.11/31,683.05
  6. Step 6: Final answer
    x = 25,208.94

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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.