Home / 39,380.64-54,336.80-23,470.32

Finding the Fourth Proportional to 39,380.64, 54,336.80 and 23,470.32

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Solution

The fourth proportional to 39,380.64, 54,336.80 and 23,470.32 is: 32,383.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.64 : 54,336.80 = 23,470.32 : x
  2. Step 2: Convert to fraction form
    39,380.64/54,336.80 = 23,470.32/x
  3. Step 3: Cross multiply
    39,380.64x = 54,336.80 × 23,470.32
  4. Step 4: Simplify right side
    39,380.64x = 1,275,302,083.78
  5. Step 5: Solve for x
    x = 1,275,302,083.78/39,380.64
  6. Step 6: Final answer
    x = 32,383.99

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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.