Home / 52,849.80-72,930.78-28,975.95

Finding the Fourth Proportional to 52,849.80, 72,930.78 and 28,975.95

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Solution

The fourth proportional to 52,849.80, 72,930.78 and 28,975.95 is: 39,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,849.80 : 72,930.78 = 28,975.95 : x
  2. Step 2: Convert to fraction form
    52,849.80/72,930.78 = 28,975.95/x
  3. Step 3: Cross multiply
    52,849.80x = 72,930.78 × 28,975.95
  4. Step 4: Simplify right side
    52,849.80x = 2,113,238,634.74
  5. Step 5: Solve for x
    x = 2,113,238,634.74/52,849.80
  6. Step 6: Final answer
    x = 39,985.75

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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.