Home / 35,590.08-53,311.20-20,754

Finding the Fourth Proportional to 35,590.08, 53,311.20 and 20,754

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Solution

The fourth proportional to 35,590.08, 53,311.20 and 20,754 is: 31,087.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,590.08 : 53,311.20 = 20,754 : x
  2. Step 2: Convert to fraction form
    35,590.08/53,311.20 = 20,754/x
  3. Step 3: Cross multiply
    35,590.08x = 53,311.20 × 20,754
  4. Step 4: Simplify right side
    35,590.08x = 1,106,420,644.80
  5. Step 5: Solve for x
    x = 1,106,420,644.80/35,590.08
  6. Step 6: Final answer
    x = 31,087.89

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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.