Home / 30,839.16-42,558.41-18,092.57

Finding the Fourth Proportional to 30,839.16, 42,558.41 and 18,092.57

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Solution

The fourth proportional to 30,839.16, 42,558.41 and 18,092.57 is: 24,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,839.16 : 42,558.41 = 18,092.57 : x
  2. Step 2: Convert to fraction form
    30,839.16/42,558.41 = 18,092.57/x
  3. Step 3: Cross multiply
    30,839.16x = 42,558.41 × 18,092.57
  4. Step 4: Simplify right side
    30,839.16x = 769,990,708.76
  5. Step 5: Solve for x
    x = 769,990,708.76/30,839.16
  6. Step 6: Final answer
    x = 24,967.95

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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.