Home / 37,838.64-52,218.36-21,072.72

Finding the Fourth Proportional to 37,838.64, 52,218.36 and 21,072.72

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Solution

The fourth proportional to 37,838.64, 52,218.36 and 21,072.72 is: 29,080.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,838.64 : 52,218.36 = 21,072.72 : x
  2. Step 2: Convert to fraction form
    37,838.64/52,218.36 = 21,072.72/x
  3. Step 3: Cross multiply
    37,838.64x = 52,218.36 × 21,072.72
  4. Step 4: Simplify right side
    37,838.64x = 1,100,382,879.14
  5. Step 5: Solve for x
    x = 1,100,382,879.14/37,838.64
  6. Step 6: Final answer
    x = 29,080.93

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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.