Home / 41,957.84-57,919.96-30,000.40

Finding the Fourth Proportional to 41,957.84, 57,919.96 and 30,000.40

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Solution

The fourth proportional to 41,957.84, 57,919.96 and 30,000.40 is: 41,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,957.84 : 57,919.96 = 30,000.40 : x
  2. Step 2: Convert to fraction form
    41,957.84/57,919.96 = 30,000.40/x
  3. Step 3: Cross multiply
    41,957.84x = 57,919.96 × 30,000.40
  4. Step 4: Simplify right side
    41,957.84x = 1,737,621,967.98
  5. Step 5: Solve for x
    x = 1,737,621,967.98/41,957.84
  6. Step 6: Final answer
    x = 41,413.52

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1.5x scale

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.