Home / 37,803.82-52,165.88-21,889.36

Finding the Fourth Proportional to 37,803.82, 52,165.88 and 21,889.36

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Solution

The fourth proportional to 37,803.82, 52,165.88 and 21,889.36 is: 30,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,803.82 : 52,165.88 = 21,889.36 : x
  2. Step 2: Convert to fraction form
    37,803.82/52,165.88 = 21,889.36/x
  3. Step 3: Cross multiply
    37,803.82x = 52,165.88 × 21,889.36
  4. Step 4: Simplify right side
    37,803.82x = 1,141,877,727.04
  5. Step 5: Solve for x
    x = 1,141,877,727.04/37,803.82
  6. Step 6: Final answer
    x = 30,205.35

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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.