Home / 30,723.91-42,388.72-25,048.85

Finding the Fourth Proportional to 30,723.91, 42,388.72 and 25,048.85

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Solution

The fourth proportional to 30,723.91, 42,388.72 and 25,048.85 is: 34,559.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.91 : 42,388.72 = 25,048.85 : x
  2. Step 2: Convert to fraction form
    30,723.91/42,388.72 = 25,048.85/x
  3. Step 3: Cross multiply
    30,723.91x = 42,388.72 × 25,048.85
  4. Step 4: Simplify right side
    30,723.91x = 1,061,788,414.41
  5. Step 5: Solve for x
    x = 1,061,788,414.41/30,723.91
  6. Step 6: Final answer
    x = 34,559.03

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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.