Home / 34,173.28-47,164.04-20,025.82

Finding the Fourth Proportional to 34,173.28, 47,164.04 and 20,025.82

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Solution

The fourth proportional to 34,173.28, 47,164.04 and 20,025.82 is: 27,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,173.28 : 47,164.04 = 20,025.82 : x
  2. Step 2: Convert to fraction form
    34,173.28/47,164.04 = 20,025.82/x
  3. Step 3: Cross multiply
    34,173.28x = 47,164.04 × 20,025.82
  4. Step 4: Simplify right side
    34,173.28x = 944,498,575.51
  5. Step 5: Solve for x
    x = 944,498,575.51/34,173.28
  6. Step 6: Final answer
    x = 27,638.51

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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.