Home / 52,197.11-72,031.78-28,323.74

Finding the Fourth Proportional to 52,197.11, 72,031.78 and 28,323.74

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Solution

The fourth proportional to 52,197.11, 72,031.78 and 28,323.74 is: 39,086.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,197.11 : 72,031.78 = 28,323.74 : x
  2. Step 2: Convert to fraction form
    52,197.11/72,031.78 = 28,323.74/x
  3. Step 3: Cross multiply
    52,197.11x = 72,031.78 × 28,323.74
  4. Step 4: Simplify right side
    52,197.11x = 2,040,209,623.94
  5. Step 5: Solve for x
    x = 2,040,209,623.94/52,197.11
  6. Step 6: Final answer
    x = 39,086.64

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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.