Home / 35,500.64-48,999.42-21,350.76

Finding the Fourth Proportional to 35,500.64, 48,999.42 and 21,350.76

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Solution

The fourth proportional to 35,500.64, 48,999.42 and 21,350.76 is: 29,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,500.64 : 48,999.42 = 21,350.76 : x
  2. Step 2: Convert to fraction form
    35,500.64/48,999.42 = 21,350.76/x
  3. Step 3: Cross multiply
    35,500.64x = 48,999.42 × 21,350.76
  4. Step 4: Simplify right side
    35,500.64x = 1,046,174,856.56
  5. Step 5: Solve for x
    x = 1,046,174,856.56/35,500.64
  6. Step 6: Final answer
    x = 29,469.18

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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.