Home / 32,555.15-44,930.25-18,215.79

Finding the Fourth Proportional to 32,555.15, 44,930.25 and 18,215.79

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Solution

The fourth proportional to 32,555.15, 44,930.25 and 18,215.79 is: 25,140.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,555.15 : 44,930.25 = 18,215.79 : x
  2. Step 2: Convert to fraction form
    32,555.15/44,930.25 = 18,215.79/x
  3. Step 3: Cross multiply
    32,555.15x = 44,930.25 × 18,215.79
  4. Step 4: Simplify right side
    32,555.15x = 818,439,998.65
  5. Step 5: Solve for x
    x = 818,439,998.65/32,555.15
  6. Step 6: Final answer
    x = 25,140.11

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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.