Home / 38,401.50-52,997.40-21,637.74

Finding the Fourth Proportional to 38,401.50, 52,997.40 and 21,637.74

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Solution

The fourth proportional to 38,401.50, 52,997.40 and 21,637.74 is: 29,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.50 : 52,997.40 = 21,637.74 : x
  2. Step 2: Convert to fraction form
    38,401.50/52,997.40 = 21,637.74/x
  3. Step 3: Cross multiply
    38,401.50x = 52,997.40 × 21,637.74
  4. Step 4: Simplify right side
    38,401.50x = 1,146,743,961.88
  5. Step 5: Solve for x
    x = 1,146,743,961.88/38,401.50
  6. Step 6: Final answer
    x = 29,861.96

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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.