Home / 51,646.08-71,265.66-28,981.98

Finding the Fourth Proportional to 51,646.08, 71,265.66 and 28,981.98

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Solution

The fourth proportional to 51,646.08, 71,265.66 and 28,981.98 is: 39,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,646.08 : 71,265.66 = 28,981.98 : x
  2. Step 2: Convert to fraction form
    51,646.08/71,265.66 = 28,981.98/x
  3. Step 3: Cross multiply
    51,646.08x = 71,265.66 × 28,981.98
  4. Step 4: Simplify right side
    51,646.08x = 2,065,419,932.81
  5. Step 5: Solve for x
    x = 2,065,419,932.81/51,646.08
  6. Step 6: Final answer
    x = 39,991.80

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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.