Home / 30,821.07-46,236.88-9,760.72

Finding the Fourth Proportional to 30,821.07, 46,236.88 and 9,760.72

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Solution

The fourth proportional to 30,821.07, 46,236.88 and 9,760.72 is: 14,642.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,821.07 : 46,236.88 = 9,760.72 : x
  2. Step 2: Convert to fraction form
    30,821.07/46,236.88 = 9,760.72/x
  3. Step 3: Cross multiply
    30,821.07x = 46,236.88 × 9,760.72
  4. Step 4: Simplify right side
    30,821.07x = 451,305,008.17
  5. Step 5: Solve for x
    x = 451,305,008.17/30,821.07
  6. Step 6: Final answer
    x = 14,642.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.