Home / 65,815.04-90,826.84-36,007.04

Finding the Fourth Proportional to 65,815.04, 90,826.84 and 36,007.04

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Solution

The fourth proportional to 65,815.04, 90,826.84 and 36,007.04 is: 49,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.04 : 90,826.84 = 36,007.04 : x
  2. Step 2: Convert to fraction form
    65,815.04/90,826.84 = 36,007.04/x
  3. Step 3: Cross multiply
    65,815.04x = 90,826.84 × 36,007.04
  4. Step 4: Simplify right side
    65,815.04x = 3,270,405,660.95
  5. Step 5: Solve for x
    x = 3,270,405,660.95/65,815.04
  6. Step 6: Final answer
    x = 49,690.86

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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.