Home / 34,979.85-48,288.35-20,634.82

Finding the Fourth Proportional to 34,979.85, 48,288.35 and 20,634.82

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Solution

The fourth proportional to 34,979.85, 48,288.35 and 20,634.82 is: 28,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.85 : 48,288.35 = 20,634.82 : x
  2. Step 2: Convert to fraction form
    34,979.85/48,288.35 = 20,634.82/x
  3. Step 3: Cross multiply
    34,979.85x = 48,288.35 × 20,634.82
  4. Step 4: Simplify right side
    34,979.85x = 996,421,341.21
  5. Step 5: Solve for x
    x = 996,421,341.21/34,979.85
  6. Step 6: Final answer
    x = 28,485.58

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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.