Home / 39,818.44-54,981.18-30,850.37

Finding the Fourth Proportional to 39,818.44, 54,981.18 and 30,850.37

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Solution

The fourth proportional to 39,818.44, 54,981.18 and 30,850.37 is: 42,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,818.44 : 54,981.18 = 30,850.37 : x
  2. Step 2: Convert to fraction form
    39,818.44/54,981.18 = 30,850.37/x
  3. Step 3: Cross multiply
    39,818.44x = 54,981.18 × 30,850.37
  4. Step 4: Simplify right side
    39,818.44x = 1,696,189,677.31
  5. Step 5: Solve for x
    x = 1,696,189,677.31/39,818.44
  6. Step 6: Final answer
    x = 42,598.10

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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.