Home / 35,529.70-53,294.55-20,755.30

Finding the Fourth Proportional to 35,529.70, 53,294.55 and 20,755.30

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Solution

The fourth proportional to 35,529.70, 53,294.55 and 20,755.30 is: 31,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,529.70 : 53,294.55 = 20,755.30 : x
  2. Step 2: Convert to fraction form
    35,529.70/53,294.55 = 20,755.30/x
  3. Step 3: Cross multiply
    35,529.70x = 53,294.55 × 20,755.30
  4. Step 4: Simplify right side
    35,529.70x = 1,106,144,373.62
  5. Step 5: Solve for x
    x = 1,106,144,373.62/35,529.70
  6. Step 6: Final answer
    x = 31,132.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.