Home / 37,765.58-52,117.81-20,771.11

Finding the Fourth Proportional to 37,765.58, 52,117.81 and 20,771.11

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Solution

The fourth proportional to 37,765.58, 52,117.81 and 20,771.11 is: 28,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,765.58 : 52,117.81 = 20,771.11 : x
  2. Step 2: Convert to fraction form
    37,765.58/52,117.81 = 20,771.11/x
  3. Step 3: Cross multiply
    37,765.58x = 52,117.81 × 20,771.11
  4. Step 4: Simplify right side
    37,765.58x = 1,082,544,894.53
  5. Step 5: Solve for x
    x = 1,082,544,894.53/37,765.58
  6. Step 6: Final answer
    x = 28,664.85

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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.