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Finding the Fourth Proportional to 35,472.60, 48,958.02 and 21,333.24

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Solution

The fourth proportional to 35,472.60, 48,958.02 and 21,333.24 is: 29,443.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,472.60 : 48,958.02 = 21,333.24 : x
  2. Step 2: Convert to fraction form
    35,472.60/48,958.02 = 21,333.24/x
  3. Step 3: Cross multiply
    35,472.60x = 48,958.02 × 21,333.24
  4. Step 4: Simplify right side
    35,472.60x = 1,044,433,190.58
  5. Step 5: Solve for x
    x = 1,044,433,190.58/35,472.60
  6. Step 6: Final answer
    x = 29,443.38

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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.