Home / 52,204.21-72,041.14-28,330.72

Finding the Fourth Proportional to 52,204.21, 72,041.14 and 28,330.72

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Solution

The fourth proportional to 52,204.21, 72,041.14 and 28,330.72 is: 39,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,204.21 : 72,041.14 = 28,330.72 : x
  2. Step 2: Convert to fraction form
    52,204.21/72,041.14 = 28,330.72/x
  3. Step 3: Cross multiply
    52,204.21x = 72,041.14 × 28,330.72
  4. Step 4: Simplify right side
    52,204.21x = 2,040,977,365.82
  5. Step 5: Solve for x
    x = 2,040,977,365.82/52,204.21
  6. Step 6: Final answer
    x = 39,096.03

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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.