Home / 37,891.68-52,284.48-21,124.80

Finding the Fourth Proportional to 37,891.68, 52,284.48 and 21,124.80

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Solution

The fourth proportional to 37,891.68, 52,284.48 and 21,124.80 is: 29,148.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,891.68 : 52,284.48 = 21,124.80 : x
  2. Step 2: Convert to fraction form
    37,891.68/52,284.48 = 21,124.80/x
  3. Step 3: Cross multiply
    37,891.68x = 52,284.48 × 21,124.80
  4. Step 4: Simplify right side
    37,891.68x = 1,104,499,183.10
  5. Step 5: Solve for x
    x = 1,104,499,183.10/37,891.68
  6. Step 6: Final answer
    x = 29,148.86

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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.