Home / 35,961.15-49,624.28-20,644.12

Finding the Fourth Proportional to 35,961.15, 49,624.28 and 20,644.12

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Solution

The fourth proportional to 35,961.15, 49,624.28 and 20,644.12 is: 28,487.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,961.15 : 49,624.28 = 20,644.12 : x
  2. Step 2: Convert to fraction form
    35,961.15/49,624.28 = 20,644.12/x
  3. Step 3: Cross multiply
    35,961.15x = 49,624.28 × 20,644.12
  4. Step 4: Simplify right side
    35,961.15x = 1,024,449,348.32
  5. Step 5: Solve for x
    x = 1,024,449,348.32/35,961.15
  6. Step 6: Final answer
    x = 28,487.67

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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.