Home / 35,060.28-48,381.96-20,905.80

Finding the Fourth Proportional to 35,060.28, 48,381.96 and 20,905.80

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Solution

The fourth proportional to 35,060.28, 48,381.96 and 20,905.80 is: 28,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,060.28 : 48,381.96 = 20,905.80 : x
  2. Step 2: Convert to fraction form
    35,060.28/48,381.96 = 20,905.80/x
  3. Step 3: Cross multiply
    35,060.28x = 48,381.96 × 20,905.80
  4. Step 4: Simplify right side
    35,060.28x = 1,011,463,579.37
  5. Step 5: Solve for x
    x = 1,011,463,579.37/35,060.28
  6. Step 6: Final answer
    x = 28,849.27

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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.