Home / 39,705.86-54,790.04-23,789.90

Finding the Fourth Proportional to 39,705.86, 54,790.04 and 23,789.90

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Solution

The fourth proportional to 39,705.86, 54,790.04 and 23,789.90 is: 32,827.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.86 : 54,790.04 = 23,789.90 : x
  2. Step 2: Convert to fraction form
    39,705.86/54,790.04 = 23,789.90/x
  3. Step 3: Cross multiply
    39,705.86x = 54,790.04 × 23,789.90
  4. Step 4: Simplify right side
    39,705.86x = 1,303,449,298.65
  5. Step 5: Solve for x
    x = 1,303,449,298.65/39,705.86
  6. Step 6: Final answer
    x = 32,827.63

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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.