Home / 53,380.38-80,080.31-17,838.32

Finding the Fourth Proportional to 53,380.38, 80,080.31 and 17,838.32

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Solution

The fourth proportional to 53,380.38, 80,080.31 and 17,838.32 is: 26,760.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.38 : 80,080.31 = 17,838.32 : x
  2. Step 2: Convert to fraction form
    53,380.38/80,080.31 = 17,838.32/x
  3. Step 3: Cross multiply
    53,380.38x = 80,080.31 × 17,838.32
  4. Step 4: Simplify right side
    53,380.38x = 1,428,498,440.28
  5. Step 5: Solve for x
    x = 1,428,498,440.28/53,380.38
  6. Step 6: Final answer
    x = 26,760.74

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1.5x scale

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.