Home / 65,526.21-90,421.04-36,455.58

Finding the Fourth Proportional to 65,526.21, 90,421.04 and 36,455.58

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Solution

The fourth proportional to 65,526.21, 90,421.04 and 36,455.58 is: 50,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,526.21 : 90,421.04 = 36,455.58 : x
  2. Step 2: Convert to fraction form
    65,526.21/90,421.04 = 36,455.58/x
  3. Step 3: Cross multiply
    65,526.21x = 90,421.04 × 36,455.58
  4. Step 4: Simplify right side
    65,526.21x = 3,296,351,548.54
  5. Step 5: Solve for x
    x = 3,296,351,548.54/65,526.21
  6. Step 6: Final answer
    x = 50,305.85

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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.