Home / 30,625.77-42,232.48-28,839.93

Finding the Fourth Proportional to 30,625.77, 42,232.48 and 28,839.93

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Solution

The fourth proportional to 30,625.77, 42,232.48 and 28,839.93 is: 39,769.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,625.77 : 42,232.48 = 28,839.93 : x
  2. Step 2: Convert to fraction form
    30,625.77/42,232.48 = 28,839.93/x
  3. Step 3: Cross multiply
    30,625.77x = 42,232.48 × 28,839.93
  4. Step 4: Simplify right side
    30,625.77x = 1,217,981,766.93
  5. Step 5: Solve for x
    x = 1,217,981,766.93/30,625.77
  6. Step 6: Final answer
    x = 39,769.83

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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.