Home / 37,811.40-52,181.46-21,045.48

Finding the Fourth Proportional to 37,811.40, 52,181.46 and 21,045.48

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Solution

The fourth proportional to 37,811.40, 52,181.46 and 21,045.48 is: 29,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,811.40 : 52,181.46 = 21,045.48 : x
  2. Step 2: Convert to fraction form
    37,811.40/52,181.46 = 21,045.48/x
  3. Step 3: Cross multiply
    37,811.40x = 52,181.46 × 21,045.48
  4. Step 4: Simplify right side
    37,811.40x = 1,098,183,872.80
  5. Step 5: Solve for x
    x = 1,098,183,872.80/37,811.40
  6. Step 6: Final answer
    x = 29,043.72

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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.