Home / 39,585.58-54,623.03-31,539.65

Finding the Fourth Proportional to 39,585.58, 54,623.03 and 31,539.65

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Solution

The fourth proportional to 39,585.58, 54,623.03 and 31,539.65 is: 43,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.58 : 54,623.03 = 31,539.65 : x
  2. Step 2: Convert to fraction form
    39,585.58/54,623.03 = 31,539.65/x
  3. Step 3: Cross multiply
    39,585.58x = 54,623.03 × 31,539.65
  4. Step 4: Simplify right side
    39,585.58x = 1,722,790,817.33
  5. Step 5: Solve for x
    x = 1,722,790,817.33/39,585.58
  6. Step 6: Final answer
    x = 43,520.67

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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.