Home / 40,633.15-60,955.55-12,555.65

Finding the Fourth Proportional to 40,633.15, 60,955.55 and 12,555.65

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Solution

The fourth proportional to 40,633.15, 60,955.55 and 12,555.65 is: 18,835.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,633.15 : 60,955.55 = 12,555.65 : x
  2. Step 2: Convert to fraction form
    40,633.15/60,955.55 = 12,555.65/x
  3. Step 3: Cross multiply
    40,633.15x = 60,955.55 × 12,555.65
  4. Step 4: Simplify right side
    40,633.15x = 765,336,688.05
  5. Step 5: Solve for x
    x = 765,336,688.05/40,633.15
  6. Step 6: Final answer
    x = 18,835.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.