Home / 37,118.83-51,218.40-21,199.90

Finding the Fourth Proportional to 37,118.83, 51,218.40 and 21,199.90

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Solution

The fourth proportional to 37,118.83, 51,218.40 and 21,199.90 is: 29,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,118.83 : 51,218.40 = 21,199.90 : x
  2. Step 2: Convert to fraction form
    37,118.83/51,218.40 = 21,199.90/x
  3. Step 3: Cross multiply
    37,118.83x = 51,218.40 × 21,199.90
  4. Step 4: Simplify right side
    37,118.83x = 1,085,824,958.16
  5. Step 5: Solve for x
    x = 1,085,824,958.16/37,118.83
  6. Step 6: Final answer
    x = 29,252.67

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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.