Home / 34,165.58-47,152.61-20,018.43

Finding the Fourth Proportional to 34,165.58, 47,152.61 and 20,018.43

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Solution

The fourth proportional to 34,165.58, 47,152.61 and 20,018.43 is: 27,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,165.58 : 47,152.61 = 20,018.43 : x
  2. Step 2: Convert to fraction form
    34,165.58/47,152.61 = 20,018.43/x
  3. Step 3: Cross multiply
    34,165.58x = 47,152.61 × 20,018.43
  4. Step 4: Simplify right side
    34,165.58x = 943,921,122.51
  5. Step 5: Solve for x
    x = 943,921,122.51/34,165.58
  6. Step 6: Final answer
    x = 27,627.84

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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.