Home / 34,345.54-47,390.43-20,193.22

Finding the Fourth Proportional to 34,345.54, 47,390.43 and 20,193.22

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Solution

The fourth proportional to 34,345.54, 47,390.43 and 20,193.22 is: 27,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,345.54 : 47,390.43 = 20,193.22 : x
  2. Step 2: Convert to fraction form
    34,345.54/47,390.43 = 20,193.22/x
  3. Step 3: Cross multiply
    34,345.54x = 47,390.43 × 20,193.22
  4. Step 4: Simplify right side
    34,345.54x = 956,965,378.88
  5. Step 5: Solve for x
    x = 956,965,378.88/34,345.54
  6. Step 6: Final answer
    x = 27,862.87

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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.