Home / 37,320.56-51,507.24-21,401.90

Finding the Fourth Proportional to 37,320.56, 51,507.24 and 21,401.90

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Solution

The fourth proportional to 37,320.56, 51,507.24 and 21,401.90 is: 29,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,320.56 : 51,507.24 = 21,401.90 : x
  2. Step 2: Convert to fraction form
    37,320.56/51,507.24 = 21,401.90/x
  3. Step 3: Cross multiply
    37,320.56x = 51,507.24 × 21,401.90
  4. Step 4: Simplify right side
    37,320.56x = 1,102,352,799.76
  5. Step 5: Solve for x
    x = 1,102,352,799.76/37,320.56
  6. Step 6: Final answer
    x = 29,537.41

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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.