Home / 34,621.92-47,775.96-20,279.52

Finding the Fourth Proportional to 34,621.92, 47,775.96 and 20,279.52

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Solution

The fourth proportional to 34,621.92, 47,775.96 and 20,279.52 is: 27,984.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,621.92 : 47,775.96 = 20,279.52 : x
  2. Step 2: Convert to fraction form
    34,621.92/47,775.96 = 20,279.52/x
  3. Step 3: Cross multiply
    34,621.92x = 47,775.96 × 20,279.52
  4. Step 4: Simplify right side
    34,621.92x = 968,873,536.34
  5. Step 5: Solve for x
    x = 968,873,536.34/34,621.92
  6. Step 6: Final answer
    x = 27,984.40

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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.