Home / 59,685.20-82,359.12-34,530

Finding the Fourth Proportional to 59,685.20, 82,359.12 and 34,530

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Solution

The fourth proportional to 59,685.20, 82,359.12 and 34,530 is: 47,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,685.20 : 82,359.12 = 34,530 : x
  2. Step 2: Convert to fraction form
    59,685.20/82,359.12 = 34,530/x
  3. Step 3: Cross multiply
    59,685.20x = 82,359.12 × 34,530
  4. Step 4: Simplify right side
    59,685.20x = 2,843,860,413.60
  5. Step 5: Solve for x
    x = 2,843,860,413.60/59,685.20
  6. Step 6: Final answer
    x = 47,647.66

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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.