Home / 38,404.60-52,997.50-21,408.76

Finding the Fourth Proportional to 38,404.60, 52,997.50 and 21,408.76

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Solution

The fourth proportional to 38,404.60, 52,997.50 and 21,408.76 is: 29,543.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,404.60 : 52,997.50 = 21,408.76 : x
  2. Step 2: Convert to fraction form
    38,404.60/52,997.50 = 21,408.76/x
  3. Step 3: Cross multiply
    38,404.60x = 52,997.50 × 21,408.76
  4. Step 4: Simplify right side
    38,404.60x = 1,134,610,758.10
  5. Step 5: Solve for x
    x = 1,134,610,758.10/38,404.60
  6. Step 6: Final answer
    x = 29,543.62

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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.