Home / 37,181.43-51,319.85-21,270.87

Finding the Fourth Proportional to 37,181.43, 51,319.85 and 21,270.87

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Solution

The fourth proportional to 37,181.43, 51,319.85 and 21,270.87 is: 29,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,181.43 : 51,319.85 = 21,270.87 : x
  2. Step 2: Convert to fraction form
    37,181.43/51,319.85 = 21,270.87/x
  3. Step 3: Cross multiply
    37,181.43x = 51,319.85 × 21,270.87
  4. Step 4: Simplify right side
    37,181.43x = 1,091,617,857.77
  5. Step 5: Solve for x
    x = 1,091,617,857.77/37,181.43
  6. Step 6: Final answer
    x = 29,359.22

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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.