Home / 34,220.08-47,235.36-20,067.76

Finding the Fourth Proportional to 34,220.08, 47,235.36 and 20,067.76

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Solution

The fourth proportional to 34,220.08, 47,235.36 and 20,067.76 is: 27,700.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,220.08 : 47,235.36 = 20,067.76 : x
  2. Step 2: Convert to fraction form
    34,220.08/47,235.36 = 20,067.76/x
  3. Step 3: Cross multiply
    34,220.08x = 47,235.36 × 20,067.76
  4. Step 4: Simplify right side
    34,220.08x = 947,907,867.99
  5. Step 5: Solve for x
    x = 947,907,867.99/34,220.08
  6. Step 6: Final answer
    x = 27,700.34

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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.